Top Definition
A group of young men, generally between the ages of 18 and 24, who frequent Starbucks and get particularly rowdy after a couple Frappuccinos.
Frap boy #1: Fuck yeah, guys watch this! *chugs frappuccino and proceeds to smash cup on head* WOO!

Old man: Those rowdy Frap boys are at it again!
by Anonymous-dude-or-dudette- January 22, 2013
5 Words related to Frap boys

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