slappy knockers 

A game in which women slap their tits at each other

Hey Julie want to play a game of slappy knockers

slappy knockers by Cletus junker September 15, 2017

Sloppy Knockers 

The sweet sweet mounds of bang baby at a luau. Characterized by dirty snoose, and steazy bros. Also, accented by eccentric names, involving T's L's and X's.

Chick: WTF?

T(vowel)X(vowel)L: Oh lord! My sloppy knockers are a jingling and a-jangling.

Sloppy Knockers by Arroni January 22, 2010

Slippy knickers 

A presenter on Tim shaw's asylum

Reads out the texts and helps on pranks

Slippy knickers by Michael Williams March 21, 2005