2 definitions by DDay

A combination of not + yours, a male or female who is committed to someone else but kicking it with you. This is also the source of many urban girl on girl ass kickings.
Elliot is Kimber's man, but he's my nacho.
by DDay March 5, 2006
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To royally screw up a best man's speech. To be so bad at it that you feel sorry for the person.
Wow, he really Neate'd that best man speech. He should kill himself.
by DDay April 23, 2017
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