a term used for people who have receding hair lines on the side of there head or who have a double chin or a bum nose. . when u walk pass them you must do farting noises to stress the fact that they indeed have a bum face
kurt-" hey look at that kid aaron over there"
connor-" does he has a receding hair line??"
2po-"yeh mate... what a bumface!!"
happily drunk to the point where you're not entirely sure what is going on around you, but feel fine about this.
'That night club was great, I'm bumfaced!- let's get some more alcohol from a disreputableafter hours service and stay up most of night talking rubbish'.