1. Men who's fat forms breast-like appendages on their backs.

2. An overweight individual
"I don't think he's that fat."
"What are you talking about? Dude's a boob-backer!"
by Totalimmoral July 31, 2006
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1. Men who's fat forms breast-like appendages on their backs.

2. An overweight individual
"I don't think he's that fat."
"What are you talking about? Dude's a boob-backer!"
by Totalimmoral August 3, 2006
Get the Boob-Backer mug.