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1.
A clothing store for fat Gentlemen. It specialises in cheap and nasty sportswear in XL, XXL and XXXL sizes.
See that Mark Moseling over there? He gets his clothes from Jacamo!
by Shane Gavin September 09, 2010
 
2.
One who causes distress or is an asshole.
You're a jacamo, you piece of shit. (See jacamo #5)
by LamarLazar July 03, 2014