2 definitions by U MAD?

Man boobs is when the man is just so fat, you can make out two titty shape on his chest. This is extremely common throughout the US, where recent statistics shows that a shocking 98% of US male (ranging from fetus to corpse, only in the US of course) actually have man boobs.

The term given, by a recent scholar, is "moobs".
Moobs cannot be cured, as it is in all American male's gene to be fat and ridiculous, I am sorry, I cannot help you.

Scientist have speculated that in the future, because so many man in the US have moobs, 98% of the male offspring will be transformed into half male half female, fat, ugly, but with huge titties.
1: BLAH BLAH BLAH.....

2: WHOA! You got Man Boobs? Mooooobs.....

1: Really? Wow, I'm only 6 : )

2: Puberty is awesome.

The example shown, also includes the example of a retarded American, who cannot determine the difference between growing moobs and reaching puberty.
by U MAD? July 16, 2012
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A very deadly virus that have been diagnosed recently, it is claimed that when a person is infected with the virus (especially a teenage girl, excluding a full grown mature woman), their intelligence and thinking capability will immediately be dropped to 50 IQ or below. Some even rated to be 10 or below.
Infected 1: OMG, HIS SOO CUTE!!!

Infected 2: I KNOW, WOW!!!

Infected 1: <REPEAT>

Infected 2: <REPEAT>

An example of Bieber Fever, the infected is unable to think properly, except their love towards Justin, and is now mentally retarded.
by U MAD? July 16, 2012
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