1. n. the anus. (Usually objectionable.) Sam Spade tried to kick Joel Cairo in the brown hole but missed.
2. n. to poke someone in the anus; to goose someone. (Usually objectionable.) Fred brown-holed Tom on the stairway, and they had quite a fight.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.