A virus which seems to affect mainly second semester seniors, with few eceptions (First semester Seniors etc). This virus can be deadly to one's grades, as the carrier becomes totally apathetic about their grades, classes, homework etc. This results in many "Zeros ( 0 )" or failing grades - ultimately leading to the drastic lowering of the grade in the carrier's classes. Side effects include: Failure to give a shit, complete and utter apathy, and not graduating with the carrier's class.
Parent: Why did you fail this class?
Carrier: I didn't study.
Parent: Why?
Carrier: Senioritis
by synorgy February 14, 2005
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A common disease which plagues high school seniors at one point during their last year in high school. Before they graduate, they are overcome with a lazy and indifferent attitude; uncaring of their studies. There are many different causes of the disease, but it can often be contagious between close friends. Often results in a change in personal style; from anything beforehand to sweats and baggy shirts. Hair is barely ever brushed; or for women, is up in a messy bun or ponytail. They might have many absences and a generally dismissive outlook towards any type of labor whatsoever.
Senioritis: we'd fight for a cure if we weren't so lazy.
Susan: Hey, did you study for the English test?
David: Hahaha.. nope; House was on. What about you?
Susan: Nah, Mark came over and then we went out for Starbucks.. didn't have time or anything.
by jennanaa January 08, 2006
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Type 1 Senioritis:
Most common form of "senioritis" and most contagious.
It tends to manifest itself when a fourth year high school student is half way through the first semester, waiting for winter vacation. This may last till graduation

symptoms within the student:

1. Lack of homework completion
2. Procrastination through reasoning

a."Fck it, I can pass the class without these last homework assignments";

b."Ill do it tomorrow before homeroom"
*tomorrow comes, home room ends*
"Ill do it during my free"
*fails to do homework during free, free ends*
-fails to hand in homework
"Ill do it tonight, and hand it in tomorrow..I'll still get some points"
(cycle repeats).

3. Last Minute Cramming
4. Student often questions him/her self if they actually have senioritis, yet they blame
all shortcomings on it.
5. Wasting time on Facebook, Myspace or even World of Warcraft(more severe)
6. Increase in the use of Slang
7. Increase in Sexual Activity (heterosexual , masturbation, massive orgyprom,etc)

Type 2 senioritis:
This form of senioritis can be found among students who boast higher averages, or those who just have more of an inclement workload. This type of senioritis is rather complicated, resulting in the student suddenly having a complacent attitude toward assignments that are not as urgent to be completedNOT as in AP/College/Honors assignments.
It can be visa-versa
resulting in the student completing all of the less difficult assignments, and neglecting more rigorous academic activities.
This type of senioritis usually manifests itself through the influence of seeing another (of less academic standing) neglect schoolwork, and yet manage to pass with high 70's to mid 80's.

symptoms -
1. All of the symtoms of Type 1 Senioritis
2. The accumulation of "Journal Entries" and/or "Articles" to complete at the conclusion of a quarter/semester
3. A complacent attitude resulting in the lack of motivation to conclude sentences on a Test/Homework
4. A lack of rechecking work, or revisions
5. Taking days off from school
6. Copying homework assignments ( also can be type 1)
7. Involuntary hallucinations of being unfettered by the fruits of Graduation Day, albeit the school year may be coming to an end.
8. Counting the days till Graduation.
9. Not studying for ANYTHING

Type 3 senioritis:
This is the culmination of complacency and academic neglect. This can only succeed Type 1 (rarely) or Type 2 senioritis. At this point, the unfortunate student loses all academic fervor and perception on the purpose of education. There is no cure for this type of senioritis.

common expressions of a student suffering from type 3 senioritis:

Most likely a student suffering from this type of senioritis will end up dropping out of school, right before failing all classes.
Some fortunate sufferers of Type 3 still get to graduate, but will not actually ATTEND graduation..or prom. (Also usually having to attend summer school)
Type 3s' are more prone to having there College acceptances revoked,having all their dreams crushed of being a fully matriculated college student that drinks heavily and act out scenes from college movies like Accepted
Type 3's are more prone to working in fast-food restaurants.

symptoms (all of the above syptoms PLUS)

1. All of the above.
2. Living on Social Networking sites.
3. Dropping out of school
4. Failure to complete financial aid
5. Physical abuse of other peers who are more accomplished (ex. got accepted)
7. Procreation

1. Request your parents to unexpectedly punch you in the face, the next time they see you procrastinating.
2. Sky diving while looking at a bad report card.
3. Head Automatica- Graduation Day
4. Apply Vix Vapor Rub while attempting to do homework.

People don't tend to usually see these benefits till college. If they survive senioritis.

1. Proficiency in re-arranging copied papers/essays.
2. Expertise in Forging signatures.
3. Immunity towards future senioritis
4. Alarmingly efficient time management (pun intended)
5. Mastery of Social Networks & Search Engines.

One of the most common examples of senioritis:

"Ill do it tomorrow before homeroom"
*tomorrow comes, home room ends*
"Ill do it during my free"
*fails to do homework during free, free ends*
-fails to hand in homework
"Ill do it tonight, and hand it in tomorrow..I'll still get some points"
(cycle repeats).
by Domrogv3 April 05, 2009
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Senioritis is a disease that affects all high school seniors. For most people it starts in the second semester of the senior year. Symptoms for the disease include: Unsafe sex, many beer bongs, getting arrested, showing up to school extremely high, drawing a five foot penis on the chalkboard, and telling you teacher she looks like an old crack whore. The only way to get over this disease is to walk the stage at graduation, or punch your principal in the cock.
Great senioritis movies: Fast Times at Ridgmont High and Ferris Bueller's Day Off
by Aarond87 May 16, 2006
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A disease that usually hits high school seniors after they have been accepted to college, or their mid-year grades have been sent out. Symptoms include not caring about one's studies or grades, complete and total lazyness, and skipping classes. Senioritis is usually cured upon graduation from high school. Once this occurs, the student realizes that he/she must do a lot more work in college.
Teacher: Ok guys, 13 of you didn't do your homework. Don't let Senioritis set in!
Student: Who cares, we've been accepted to college and we're graduating in two months!
Teacher: Well, colleges can take away your acceptance.
Student: No they cant.
by Tom Blake September 10, 2006
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A disease that occurs when high school seniors have applied to and/or been accepted to college. Senioritis cripples any and all drive to do homework, and seniors replace homework time with activities like parties, pranks, and reading about senioritis on Urban Dictionary.
I got senioritis after finishing my application; why would I want to write an essay for English? Let's go play tag.
by comintern December 14, 2009
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Senioritis is a colloquial term used in the United States and Canada to describe the decreased motivation toward studies displayed by students who are nearing the end of their high school careers. By definition, Senioritis is not due to the direct physiological effects of a general medical condition such as hypothyroidism or insomnia but is typically said to include: slowness, procrastination, apathy regarding school work, a feeling of entitlement or privilege and a tendency toward truancy, increased drug use, malingering or feigning illness in order to avoid presence in a school setting, cognitive impairments, and changes in sleep patterns. Many high school students find themselves in a type of lame duck situation: their plans are made and a new chapter in their life is about to begin, so finishing the current chapter (the current term separating them from graduation) becomes just a formality or "holding pattern." Even though high school seniors tend to be the bulk of the victims, high school juniors and sophomores are also known to have it.

Senioritis usually results in a withdrawal from school-related extracurricular activities and school spirit events and a reduced concern for social acceptance, instead focusing on graduation (and the end of compulsory school) in June and/or acceptance to college in September. It can also manifest as increased social and extra-curricular activity, which comes at the expense of academic duties, with the student preferring to "have fun" rather than work academically.
Jenny contracted Senioritis and began to smoke pot and skip classes. She failed all of her courses because of her lack of motivation.
by Sayuri T. February 07, 2008
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