a man who is at least 7 years younger than the person he is dating and or engaging in a relationship.
"I'm 33 and I am dating a 24 yr. old. I call him my mancub."
by 1brazilnut January 04, 2008
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The process through which a human embryo is incubated inside of a man.
Example 1: When all else failed, the partners turned to mancubation to have a child.

Example 2: Sean loves Bob Schneider so much he would mancubate his babies.
by Megapedia March 27, 2010
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A reference to only the snazziest of stud muffins, with a decidedly polygonal twist.
Dude 1: Did you see that guy walking by with a chick on each arm?!
Dude 2: Schnap, that guy is such a mancube...
by Spoon9090 June 29, 2011
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Young black male, very ashy in appearance. Constantly in mind set Black. Looks weak and helpless like a baby seal being attacked by a shark. Attached to the pocket of Christopher Carlson.

Synonyms include: weak bitch, Boycalf

Scott, Justin Scott, Mancub, weak bitch, Boycalf, manatee
by Millhaus December 11, 2006
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Someone who is big, but looks kind of weak.
Hey did you see that fat guy kick the shit out of that muscle bounded guy?

Yeah man, he must be a mancub.
by keahi52 February 17, 2009
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