Snifferbuster
A person, usually a dude that will hang out with a guy best friend and his best friends girl. The person usually will end up sitting in the corner of the room while his best friend gets action by his girlfriend. This person will usually accept that they are a loser and will most likely never have a chance at ever getting a girl.
Best Friend: Hey want to have some fun?
Girl: Absolutely!
A Snifferbuster: Ok, I'll just sit in my corner and leave you alone for a bit, no problem.
Girl: Absolutely!
A Snifferbuster: Ok, I'll just sit in my corner and leave you alone for a bit, no problem.