To masturbate furiously. So hard, in fact, that it makes a wet "fap" noise repeatedly. the double "p" in this word is because it is the abbreviated version of "Fapping".
John: eww! what are you doing!!?
Jake: (fapfapfapfapfap) hey man! everybody fapps!
John: let go of my cat!
by DRAGON FORCE January 17, 2006
Force applied, often confused with masturbation
The Fapp on an object is 21 m/s
by Pseudanonamys June 28, 2015
A mobile phone application that is so good it makes you want to thrash your man baton repeatedly.
'Hey, what's that app like?'
'It's awesome! It's not just an app, it's a fapp!'
by EnterTheMurk July 20, 2010
When you have cum in your coffee
ew its a Fappe
by Wowygary October 9, 2019
"I went to StarBucks yesterday and had an amazing Fappe." "Don't you mean frappe?" "Nope."
by Sparkle MilkBags October 13, 2011
1. the action of incessantly playing with a new app

2. playing with an app out of boredom
my boyfriend seriously app fapps on games
by Lady Dollface March 10, 2014