1 definition by unknownVS13

STYFYB is an acronym that was invented by a bored Facebook user to shorten the phrase " She's Too Young For You Bro!"
If she watches the movie the whole time, STYFYB
If she is amused by Nyan Cat, STYFYB
If she thinks 1337 is a year, STYFYN
by unknownVS13 August 20, 2011
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