2 definitions by NNWASHERE?!

A slang used to describe a stupid, idiotic, or foolish person or
someone who is ignorant.
MAN 1: What rubbish is this one saying?
MAN 2: Leave him. He is a Mumu.
by NNWASHERE?! March 2, 2023
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A slang used to refer to someone as crazy or someone who is mad.
MAN: This one na kolo mental ohh!!
by NNWASHERE?! March 2, 2023
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