Slang for a mans penis, usually used in reference to homosexual activity.
'' Theres nothing Richard likes more than a mantube''
''My mantubes about to explode, wheres the bathroom''
by Jarrod A February 19, 2006
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A fat man...associated with food, usually, and maybe an industrial cooker.
"that guy was such a mantub"
by Alex H January 29, 2005
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