A girl (who is usually studying Gender Studies) who aggressive adopts a lesbian identity late in the first year of University/College study. However by the time graduation rolls around (unlike an actual lesbian) they have abandoned this identity and are often engaged to a soon to be doctor, lawyer or accountant.

The term was used at least as far back as the early 2000s by the sex and relationships advice columnist Dan Savage.
"I'm going to come out to my folks at Christmas time."
"Maybe wait till you've had at least one serious girlfriend or even hooked up with another girl,? Make sure you aren't just a Second Semester Lesbian?"
by Lord Boofhead March 31, 2016
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a sad girl in college who is really going through it.
becky: “yo i’m about to have a hot girl semester this year”
susan: “imma have a sad girl semester hee hee
by nessybear27 October 19, 2019
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The tendency for hw, projects, tests, etc. to occur with disproportionate frequency in the final weeks of a semester.
You thought high school was tough, wait 'til you experience the end-of-semester snowball phenomenon in college.
by 4eggSAMple April 15, 2009
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when you're excited about a new semester starting and you buy all new clean journals, new supplies, you tell yourself that "this semester is going to be different", and then as you get further into the semester that high wears away, and you're back into you're old habits.
"Sis, this semester I will have all A's. Let's hope this new semester high last all semester."
"I'm not feeling this semester. I'm over the new semester high."
by ___okthen February 8, 2019
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schools almost over. you have finals. the school doesn't care about you. you're just tryna graduate. all your grades drop a full letter grade. you wanna give up. you can't get outta bed. the only things waking you up to survive is your best friend who's also literally dying.

so yeah. last semester burn out :D
"Dude why haven't you answered your texts"
you: "shit man last semester burn out's really kickin my ass"
"You need a hug?"
you: ".... yeeeaaahhhhhh"
by z0w33 May 29, 2021
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Da classes-attending term in a college year when a female student starts to really "show".
When a "loose" local chick announced dat she was in her final trimester, I assumed she meant dat she was taking her third semester in college; da only puzzling part about it is dat none of da area-colleges seemed to have any record of her ever having registered wif dem.
by QuacksO December 29, 2022
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Typically observed in higher education or at the high school level. Refers to the phenomenon in which a student who has done minimal coursework, suddenly exhibits an immense amount of effort, completing (or attempting to complete) every assignment; this is accompanied by a "sudden", doctoral level, concern about one's Grade Point Average (GPA) and academic standing. This term originated from decades of confused professors and teachers musing," if student name had demonstrated this effort and consideration for their GPA throughout all four years of college/high school, they could be valedictorian of their class". Addendum: This term can also apply to the class rank parents expect their student to achieve when they turn in one missing assignment (typically two to five days after the end of the semester); however, it should not be confused with "End-of-Semester Salutatorian".
The college professor sighed and drank deeply into a cup of coffee, "I know Sarah needs an 'A' in my class in order to have a high enough GPA in his major to graduate, just another 'End-of-Semester Valedictorian" :takes another drink of coffee: "thankfully, I teach college".
*or*
The AP Physics teacher was just about to take a drink of her ice-cold stale coffee when "Jeff", who spent most of the course roaming the halls, busted into the room for the fifth time that day, and asked "what can I do to get a 98?" Jeff was clearly an example of the dreaded "End-of-Semester Valedictorian".
by InkDr.237 December 9, 2022
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