noun, adv,adj,verb; tyme-bahm
1.) The act of secretly giving a girl multiple laxatives then proceeding to engage in anal sex while striving to cum as fast as possible preferably before she defecates.
2.) An extreme sport in many major fraternities.
Person 1: How was it man?
Person 2: Shit man she blew first.
Person 1: Oh she was a time-bomb?
Person 2: Yea...
n. Any person showing interest or dedication in the fine science of testing the strength of a "fifth" bottle of any alcoholic beverage after drinking it; usually tested in parking lots, random house parties, and occasionally on heads.