all-class

An all-class is an informal term for a versatile, multipurpose thing or person.
1. An X-Wing is an all-class starfighter. It has proton torpedoes for heavier targets and it's good at shooting down TIE fighters.
2. A Swiss army knife is supposed to be an all-class melee weapon/tool.
by decimator1337 July 09, 2014
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class boner

When the penis decides to erect itself and making it impossible to hide, resulting in the male adjusting to his elastic waste band. Although this tactic works sometimes the class boner counters this maneuver by making it obvious to the entire class what you're doing.
Girl: "hat are you doing"
Boy: "Just getting my phone out."
Girl: "lift your shirt up then"
Boy: "No....Why O.O"
*Girl lifts shirt up*
Girl: "Look everyone, he has a tiny class boner"
by SpitFireFuck October 11, 2013
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Canceling class

1. When one makes the choice for themselves not to attend class; generally a college class.

2. Skipping class

Often brought about by late nights, laziness, and reluctance to sit through pointless and/or mind-numbing lectures.

Used by students for its more positive connotations, i.e., one would sooner say "I cancelled two of my classes this Monday" than "I skipped two classes this Monday."

3. The opposite of excellence. Canceling class is not condoned by parents, teachers, and administrators alike.
Brittany: I've done so well this semester: I haven't canceled a class yet!
Allison: My Government teacher is boring, so I've canceled his class twice so far. I am canceling class again this afternoon.
Brittany: That's not very excellent of you.
by RO-b'f February 05, 2010
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math class

A retardedly fun class despite it being less useful than say, computer literacy, contrary to popular belief.
y = mx + b *shotforbeinganalgebra2nerd*
by dj gs68 October 16, 2003
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abacus class

A reason often used to cover up the (possibly) suspicious relationship of two people.
Nina: So how did you meet Rose again?
John: Oh we were... um.. classmates back in ABACUS CLASS!
Nina: So are you just friends?
John: Yep! Just friends! Right! We have a totally platonic relationship!
Nina: You sure? I thought I saw you two holding hands yesterday...
John: Oh yeah that! Isn't that what old friends do when they-um... meet after a long time?
Nina: ...Ok. As long as you're not cheating on me...
John: Ahahaha..
by kerfulles February 17, 2014
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Class blast

When in an attempt to hold on a fart while in a classroom (preferably during reading, tests, or other times when the classroom is relatively silent) the pressure between the butt cheeks increases vibration- effectively making the noise louder. A shocked expression is a sign of a class blast, while pure embarrassment is a sign of just a regular fart.
Student #1: "Yo, this dude let out a class blast right as the room got quiet in 6th period today! His face was the best part.
Student #2: "I feel bad for him, all he wanted to to was hold it in, tie he fucked himsekf over. Still funny as shit though!"
by IcyKnight December 01, 2016
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Diamond class

Used to refer a professional athlete. This athlete is of such superb skill, and athleticism that place them at the top elite of their class in the sport they play. Diamond class is a very small group and, only the best of the best are referred to in this way.
Man: "Wow look at #81! He just made a play that was impossible.. and made it look easy."

Friend: "He is definitely Diamond Class!"
by Bageez March 11, 2014
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