Top definition
Term for Maniacal which had its roots in and around Half Moon Bay, Ca. it stemmed from the term mani (may-nee) which was also used to define people, places or situations that could be seen as crazy.
Jonah was getting too mayno on stage. He hit me with his guitar 3 times.
by The_Mangler September 12, 2010
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The vengeful act of crapping on a lover's chest while they sleep.

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