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1.
Insult/Swear word/Curse

Has links to Bum and Chuff, but is actually a special area around the Bum.

This word is worse than saying 'Cunt'
Boy playing computer:...1 more life left...ooh...oh...ah...woh....oh no! B*M CH*UFF!!!

Mother: What did you say!? Go to your room, you cunt!
by Gareth Babybel-Overlord Bird January 23, 2005