1. One who feeds on butt oks. The butt, a very specail part of the body, can smell differently at all times. a butt muncher may enjoy the rush of smell to his nose or maybe it just taste good. Also is being rumored to be a sport.
2. One who is a stupid butt hole or is an idiot. This is very commonly used. It is interchangable with butt hole.
1. Butt munching is my favorite sport.
2. You stupid butt muncher!