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1.
A carefree, nonchelant but outwardly obvious swag that certain people exude who make no effort to do so.

The kind of swag that only master level bros can pull off, because it has to be accomplished by seemingly putting zero work into your swag.
"Did you see that bro in Lambda Chi Alpha pulling all the females at Shasta?!"
"Yeah man he's just got that swagadaisical quality about him.."
by G Nut August 21, 2012