1 definition by Hugh Bass
Term used when two friends aren't quite boyfriend and girlfriend, but regularly sleep with each other esp. when drunk.
"Where did Louise go last night?"
"She went home with Peter"
"Oh, I didn't realise they were still going out"
"Nah, they're just dirty friends"
"She went home with Peter"
"Oh, I didn't realise they were still going out"
"Nah, they're just dirty friends"
by Hugh Bass August 6, 2007