When you start fisting a girl in her pussy and then, with your other free hand, start fisting her up the asshole until your two hands meet inside her resulting in a "fist bump"
by fistbumper420 August 20, 2022

by Puscifer Spiceyweiner July 6, 2011

When you enter the device that men use to wack off while at their in-laws house, insert ones fist into another individuals vagina or anus
Hey Richy, please fist my anus in the shower so that when it rains i get a hard on
Hey, wanna shower fist
Hey, wanna shower fist
by this is an anonymous account July 7, 2016

by Pedostar123 November 20, 2016

by Joemamaisgaylolol February 24, 2021

fist smack is where you hit your fist with your OPEN hand and keep switching your hands to fist and record when you do it and when your done slow it down in cap cut or anything if you mess up like both hands are fist or both hand you lose but if you survive you win you have to record for only 10 seconds.
hey Tyler let's play danger now-Jamal NO LETS PLAY FIST SMACK-Tyler OK GET YOUR PHONE AND DOWNLOAD CAP CUT
by creator of games April 19, 2022

by big narf May 22, 2021
