1. One who is overly drinking.
2. One who makes a complete utter fool of themselves.
3. One who is a Noob.

Often bootymess is used before someones name such as Bootymess Jess, or Bootymess John
When Mia got really drunk last night off of one sip of beer, she was a big bootymess.
by aldonbaker3pointmaker July 15, 2010
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