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When the mammary tissues of a male become pronounced, usually as a side effect of obesity. Also called man tits.

This is a medical condition called gynecomastia.
Dude, that kid has such big moobs he needs a bra!
moob by koalaroo February 28, 2008
Related Words
moobs mooby moobie moober Mooby Dick Moob Job moobags Moobak Moobox moobzooka
A male person with larger than normal pectoral muscles resembling female breasts.
moob by Trixie Bell January 16, 2009
Once I met this guy named Tom and he had huge moobs, they flung all over the place as he turned around to great me.
Moob by Hayley May 21, 2004
moob by Peblipoo February 4, 2009
A man boob. Primarily found on overweight men but can sometimes be found on average sized men, which is often an indication that they used to be overweight.

OR

The breasts of overweight women that look remarkably like men.
My moob got stuck in a paper shredder. I need to lose weight. After I get out of the hospital of course.
moob by El Jeffy July 12, 2003
A wierd random person, a general name for people who like fun and they like being strange.
Moob can be used a verb, as a kind of strange and unexplained weird action.
Livvie: OMG YOUR A MOOB!
Rosie: YAYYYAYYA I know.
Livvie: I'm a moob too.
Dogface: *moob attack*
Moob by Livviosh January 2, 2009