The sound a drunk college student makes when trying to tell his friends, who aren't listening and don't care, of a shooting scene he saw previously in a movie.
Hey guys...guys...GUYS! I was watching Die Hard 4 today and Bruce Willis was all like pachew pachew to all the bad guys.
could mean a variety of things
1. person who laughs uncontrollably at certain things no one understands
2. a person who is stubborn as hell
3. a mythological being that is said to possess beauty beyond our imagination