A variable period of time immediately prior to study sessions when college students socialize informally. Such occasions typically include caffeinated beverages.
My roommate and I took a much deserved pre-study break before going to the library.
When you're singing along with the radio to a song you like, you start singing before the first verse starts. Adverse effects include but are not limited to: trying to sing loud so people don't notice, then quickly changing the station, or the disapproval of your friends. (Usually in the form of laughter.)
Sal: Ticking away the moments that make up...
Brendan: Shut the fuck up you tool, you're pre-singing
Lee: HaHaHaHaHa, faggot!
A threat describing the act of licking somebody else's oreos before the original owners have the time to "twist it, lick it, dunk it" themselves.
As a result, when the original owner licks their oreo, they are savouring your sweet sweet saliva.
Works in the phrase "Don't make me pre-lick your oreos"
Guy1: Were you... dropped as a child?
Guy2: Hey shut up! Don't make me pre-lick your oreos!!