Large breasts found on fat male Earthenoids. Whether or not they contain milk is not known. No one has the guts to check.
Daniel's manboobs scared the shit out of me in the changeroom.
by Bastardized Bottomburp March 21, 2003

by Amber December 9, 2003

Dangling mass of fat found on males that dont get out nearly enough. I emphasize the last part because they clearly need some exercise instead of sitting on their asses all day playing video games and watching tv.
by ZX2 Stud December 5, 2003

I'm glad i'm flatchested
by not a wapanese October 17, 2003

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by melanie November 26, 2003

the name gives to the Male's breasts when they grow to abnormally large size. Manboos are common on the heavier sized Male, and are not to be mistaken for a normal females breasts.
by Bizznatch June 30, 2002

by one of the citizens of "boos 29." December 28, 2005
