1 definition by Normal Chested Sam

Top Definition
The strange and inexplicable disease that causes the carrier to grow a strange and out of place hump right in the middle of their chest, I'm deadly serious. On particularly skinny people, Chest-hump-itis gives the effect of both boobies forming into one boobie.
Danny, your Chest-hump-itis is getting out of hand, your hump nearly knocked my eye out, you better get another opinion on that one.
by Normal Chested Sam March 19, 2003
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