1. to take a bath for the sole purpose of masterbating. 2. masterbating in the tub, while taking a bath.
by G-A-T October 27, 2011

Baby, you are not just fappable, you are a must-fap-to.
Dude, you should check out this Pirates movie, a true must-fap-to!
Dude, you should check out this Pirates movie, a true must-fap-to!
by DrCharl April 22, 2011

Mom: ''Jeffery, why's the tele so loud''
Jeffery: (through muffled doors) ''fap-fap-fap-fap''
Sister: 'ha! he's 'avin' a tv-fap''
Jeffery: (through muffled doors) ''fap-fap-fap-fap''
Sister: 'ha! he's 'avin' a tv-fap''
by ya-dad October 7, 2012

When ones hand is extremely flappy and/or numbed, which is to be used to pleasure ones self. Or also known as masturbating with a flappy hand.
Guy who's about to flappy fap: "Right, time to get the tissues and fap myself with my numb hand. I'm really feeling the tingles tonight."
by A Guy with a problem. March 10, 2014

by RobotxNathan4life March 25, 2019

also known as a "fortress of solitude", an area where one can masturbate undisturbed. Fap cabins are usually outfitted with pinups or other fapping enhancements.
a bathroom, shower, car in the driveway, man cave, or secluded work desk.
"My fap cabin is covered in pictures of Hope Solo, and plays Alicia Keyes music on repeat."
"My fap cabin is covered in pictures of Hope Solo, and plays Alicia Keyes music on repeat."
by kyldonia February 6, 2013

a fap shirt is when you ejaculate inside a shirt and iron it then removing the hardened cum and sending it to your grandmother.
by Pebo the german hypocrite December 11, 2018
