2 definitions by Bithicus

1
1. Achieving high or extreme levels of "bith" or P.M.S.
2. Being a bitch but not actually being called a bitch.
by Bithicus April 21, 2004
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2
1. Having a chin that resembles an asscrack.
Wow, you have a really ugly bumchin under your mouth!
by Bithicus March 10, 2005
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