1. a comic performer, as in a internet chat forum, theatrical production, or the like, who wears an outlandish virtual costume and entertains by pantomiming common situations or actions in exaggerated or ridiculous fashion, by juggling or tumbling, complaining about getting booted for not following The Rules, etc.
2. a person who acts like a DBAClown; comedian; joker; buffoon; jester, in a dildo-breathed manner.
3. a prankster; a practical joker. A Snotgobbler.
4. Slang. a coarse, ill-bred person; a boor, who does not know how to behave in Internet Fora.
–verb (used without object)
6. to act like a DBAC
Origin: Feb 2008: earlier n00b, troll, cloyne, clowne.