DeFoncing

To run around a city with your testicles slapping against your thighs. Usually resulting in a rash.

Dude i went jogging yesterday and was DeFoncing the whole way.

by AidsLicker69 September 24, 2012

Defonce

This term is also used in French to tell someone is completly drunk and / or under drugs.

Note that in French, you write it : 'Défoncé' if he's a guy or 'Défoncée' if she's a girl.

Il/elle est complètement Defonce

by CharlesDCR September 1, 2015

Defonce

French term commonly used in pornography to describe brutal penetration. Also a term used for fucking something up.

As oui defonce moi. "oh yes fuck me hard"
Jais Defoncer mon ordinateur. I fucked up my computer.

by Balls007 July 31, 2003