Swaggasaurus Rex Share definition Flag Tyrannosaurus Rex proportion level of swagger. Kingly swagger so abundant that it drips like Soul Glo. Girl 1: Who's that? Girl 2: Girl that's Will. He's such a swaggasaurus rex! Swaggasaurus Rex by Freeloading Will August 9, 2009 0 0 Get merch Get the Swaggasaurus Rex mug. Buy Now — $32.95 See more merch