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A heavily-built male who struts around with his chest puffed out, usually as a display of overt masculinity.

Guy1: "That dude has massive pecs but a HUGE gut"
Guy2: "Yeah, he's such a chest puffer"

by gotdaniel April 27, 2009
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A person who thinks he's a fighter but in confrontations just walks up and puff his chest acting bigger than he really is and tries to sort out a conflict by just sizing up against his opponent but not actually willing to fight
He puffed his chest as he was arguing . Looking like a chest puffer
by TommyGun DeJesus May 30, 2018
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