nut flapping

Occurs when your testicles smack together when running down the stairs in gym shorts

dude i was so embarassed today i had some major nut flapping going on when i was running down the stairs

by peterbattista November 2, 2006

flapping

alternate word to describe jabbing a nice booty

k-malz: i was flapping that booty at the gyzam
deemo: douchebaggg
enlo: spit roasttt meee k-malzzz

by perthlover321 June 26, 2009

Finger Fapping

When a girl is masturbating with her finger or fingers oh so vigorously!

"Shelby was pleasing herself by finger fapping on camera while her friend watched"

by Avnero May 23, 2017

Dry Fapping

Rubbing one out with your pants on to avoid detection.

Billy: "Dude! As soon as we got in the back seat, Susy started dry fapping me!"

Jeffery: "That's hot!"

by Gruffalo Gill September 15, 2011

Free Flapping

when a girl doesn't wear underwear

She's free flapping, while Todd there is free balling.

by Gerger April 4, 2006

Fapping

When you can't get anyone to give you legit sex so you must live a solitude sex life of strictly bringing yourself to orgasm.

I have chronic halitosis so no one will give me any real sex. So i am doomed to a life of eternal fapping.

by MissTaken April 6, 2017

frapping

female masturbation

I took a sickie and spent all day Frapping myself until my bean was sore!

by benski September 2, 2003