Definitions by Vic of the North

sphincter girl 

A female that takes it up the ass and loves it.

Karen got her ass stretched out last night she's a total sphincter girl.

sphincter girl by Vic of the North May 15, 2008

sphincter surfing 

A guy that likes putting his cock in other peoples buttholes.

A woman that uses a strap-on in other peoples butts.

John was sphincter surfing with Debbie on the beach.

sphincter surfing by Vic of the North May 15, 2008