Pronunciation: (bus'tur),[key] —n.Informal. 1. a person who breaks up something: crime busters. 2. something that is very big or unusual for its kind.
3. a loud, uproarious reveler.
4. a frolic; spree.
5. (cap.) (used as a familiar term of address to a man or boy who is an object to the speaker's annoyance or anger): Look, Buster, you're standing in my way!
Pronunciation: (bus'tur),[key] —n. a male given name.