fap

A biology term meaning fixed action pattern.

Geese display many faps such as rolling an egg back to its nest and migration.

by BiolNerd April 26, 2010

Fap

To fucking work that Vas Deferens!

Andrew fapped to his hearts desire while watching gay porn.

by grid shitter May 23, 2011

FAP

Acronym for "fat ass puss." Commonly used in the bodybuilding world referring to a fat guy that thinks he is muscular and developed.

That guy over there is a FAP.

by Ferguson/Templeton/Duff January 01, 2009

fap

Dumbass internet lingo form of "masturbate".

Internet nerd 1: I ARE TEH FAPPIN TO SOME UNDERAEGE TITTIES!!!
Internet nerd 2: LULZ ME 2!!! FAP FAP FAP <3 HANNAH MONTANA!!!
Person 3: Go outside and get some sunshine, I promise it might make you two less annoying.

by JDdoesWORK December 19, 2010

FAP

FAP is the sound your hand makes on your dick when you jack off rapidly.

I need to cum! I'm gonna FAP!

by USAF Cadet October 15, 2020

Fap

To "fiercely slap" someone who has wronged you or is just being annoying

This better not be a prank bro, I swear I will fap you in the face so hard!

by Keith_not_Kieth May 26, 2015

Fap

Male masterbation to porn

*fap *fap*fap Wife walks in " WTF!!!!!!!"

by Creamymemes September 02, 2017