1 definition by mollymoomoo

someone who says something stupid.

This usually refers to someone who says something stupid in a particular point of time. This does not necessarily mean they are dumb, they just said something dumb at that time which makes them a num-nut.
Person 1: Hey man, what is the date of fourth of July?
Person 2: You are joking right?
Person 1: ohhhh hahaha nevermind
Person 2: gosh, your are such a num-nut
by mollymoomoo July 24, 2018
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