Fwap 

1. Describes almost accuratly the sound that wanking off makes.
2. the motion your arm makes when wanking off.

Mike: *FWAPFWAPFWAPFWAPFWAPFWAPFWAPFWAP*

Fwap by B to the R July 4, 2003

fwap 

Fwap is a slang term for male masturbation. The origin of the word is believed to be onomatopoeic, though may be an acronym (or equally likely, a backronym) for Furiously Wanking At Porn. It is in common usage amongst the b3ta web community.

A; Where's person c
B; Oh he went to his room
A; Oh fwaping again no doubt

fwap by arseaboutface December 6, 2006

Fwap 

The act of slapping woman/man with a slightly erect cock.

"Hey Sue, you're not done with my BJ. I still need to fwap you across the cheek."

Fwap by joelnjessica October 30, 2013

Fwap 

The act of pulling out your pecker and letting it collide with any surface whilst emitting a mild thumping noise

That sumbitch over there has a perfect forehead to fwap my schlong on. Do you think she would like it?

Fwap by schlong Chong August 19, 2018

Fwap 

The act of hitting someone in the face with your penis. Derived from the sound it makes.

Woman: I won't be able to make it to your party tonight.
Man: *FWAP*
Woman:I do belive you hit me with your penis.
Man: Yes, I do belive I did.

Fwap by Ninja Fight September 26, 2006

fwap 

to smack incessantly with a fish; the highest form of physical insultation

Mrs. Creasy and Mrs. Pruden are two individuals who most certainly should be fwapped.

fwap by JessIsTheBest December 14, 2004

fwap 

To hit someone upside the head with your hand unless otherwise specified.

Netspeak

see thwap

Jeez, that guy was such a moron. *fwaps him*

Erg! She makes me so mad!! *fwaps her w/ a brick*

fwap by Nonya Beezwax June 28, 2004