1 definition by Gygaxis

1

JFYM is an acronymn that stands for "Just Fucked Your Mom"

Oh man... I hate to break it to you but, I JFYM...

or the alternate Just Fucked My Mom form
WTF MAN!?!? DID YOU JFMM?!!! I'M GONNA KILL YOU ITCH

by Gygaxis June 03, 2004

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• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request