Short For "Tiger Woods Fist Pump". used for major celebration or something great you just did, specifically sexual triumphs.
yo how did it go with that girl last nite?
oh i smashed... TWFP
how did you do on ur final exam?
i aced it... TWFP
oh i smashed... TWFP
how did you do on ur final exam?
i aced it... TWFP
by Carfax January 12, 2011