Top Definition
1) a huge big ass blow fly that when you squish it, it lays maggots everywhere


2) a total dickwad (a person - can be male or female) that you simply just cant be bothered with

1) "Oh, would you look at the size of that massive munty bum on that chicks head burrowing into her hair! Like eeew!?!"


2) "Oh my god i totally can't believe how much of a munty bum she was towards him... if i was him i'd drop her, she's such a cow!"
by x_shagrat_nutsac_x September 07, 2006
6 Words related to munty bum

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