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Droopy man boobs that, when packed into a too-tight shirt, create a uniboob across a guy's chest.
"That dude should NOT wear Under Armour shirts! It's SO tight it makes his moobs look like a Tube Moob!"
"Check out Home Boy's Tubey Moob - it looks like a uniboob sausage across his chest!"
by cool-chick-a-rama June 13, 2013
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