Top definition
When a person attaches themselves to a couple, preventing them from getting it on.
"Dude, Sarah was so up for it at that Rockabilly bar last night, but her friend - Claire or Karen or something - wouldn't leave us alone for like even a second so I ended up just going home to watch HBO".

"Total pwnage a trois"
by the_dickie May 31, 2009
Get the mug
Get a pwnage a trois mug for your dog José.