rimbledon

a swingers game, based on the popular tennis tournament. A 4 player game where everybody gets their assholes licked clean. Also spectator sport.

Bob: "me and the missus will pop over for a game of rimbledon with you and the wife later, please wash your starfish this time Malcolm !"

tromboning

to perform analingus on a male partner whilst masturbating his erect penis at the same time. with reference to the mouth piece and sliding arm of the popular brass instrument, the trombone

a homosexual man asks another would he like to come back to his for a 'spot of tromboning'.

brown eye

reference to an individual exposing their sphincter to others for humour.

whilst one all fours, naked, he parts his buttocks at the party ahead and exclaims "look at my brown eye !"

mub

to rub your hand up the crease of your buttocks and around your anus, then ambushing an unsuspecting victim with the same hand ih their face (whilst shouting 'mub' at them)

mub is bum backwards

boasting to a friend :"I leapt out and gave him the mub, he was discusted".

to mub someone