Slim-Sexy Share definition Flag Looking so slim that you never have to sweat; therefore, you are deliciously sexy.Antonym: fat-sweaty 1) On the subway diet, you go from fat-sweaty to slim-sexy.2) Eva Mendez Slim-Sexy by SlimSexy April 20, 2010 0 0 Get merch Get the Slim-Sexy mug. Buy Now — $32.95 See more merch