Top Definition
A synonym for a womans privite part. The word could be used better if it is freash enougth to eat.(I made it up myself)
"Let me munch on that moon-biscuit,baby."
by Dameian November 10, 2006
A code word to call someone a total tool without them knowing what you're talking about.
"Whoa, you're such a moonbiscuit."
by xxilovethatboyxx April 06, 2010
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