kjeffings 

when your school dean cant spell for shit

no joggers or kjeffings

kjeffings by Jewish Jiggley November 17, 2018

Keffing 

*British* (participle), verb: to kef
A rather hard slap to the back of the neck.

NOTE: Does not mean, nor does it imply masturbation.

Dude 1: HOLY FUCK, JUSTIN BIEBER!
Dude 2: You deserve a mighty good keffing.

Keffing by Fizzle12345671 February 18, 2011

keffing 

A new word on the streets meaning masturbation over ones own faeces to intoxication...

Boca was keffing over his mother.

keffing by NuKeZ December 10, 2004