Top Definition
Milky, rich and creamy substance which can be milked from the penis. A vitamin-and-mineral-filled staple. The milk of life.
Having no way to produce muckums on their own, the lesbians decided to hire multiple males to repeatedly fuck them until their vaginas were overflowing with the hot milk before taking turns to drink the sweet muckums from between their spread legs.
by Rob Focker January 09, 2006
1 more definition
An arab derogatory for any person of Asian decent. Especially old ones or fat ones. Often seen in Casinos.
Samir: Did you see that Muckum at the Baccarat table over there?

Youssef: Of course I did! That old guy just lost $40,000 on one hand!
by UmbaShenouda June 29, 2011

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