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 23, 2013
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A male who really likes frappuccinos. probably also a douche
andy: woahhh did you see that cute guy over at starbucks?

kat: yeah a real frap boy lmao
by gotcha buddy ;)) May 11, 2020
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