9 definitions by braaphead
a words that stupid people use to mean one on one sexual intercourse, but it actually means to have a wank.
downy: there's a threesome going on in that tent, and a onesome going on over there.
bretherin: what? u mean someones having a wank?
bretherin: what? u mean someones having a wank?
by braaphead November 03, 2006

