Definitions by MarKes

slip-arse 

A term that describes the act of sliding the penis provocatively up and down the arse of a fit bird, piece, woman whilst laying in the spoons position, usually leading to either anal sex or at the very least, a shag!!

"Hey, you horny bitch... 'you up for a slip-arse?!"

slip-arse by MarKes December 16, 2007