A sick dude is someone who has a hip style or an amazing attitude and demeanor. They are usually the person who is the center of attention and admired by many.
by AsanaMudra July 03, 2016

by abarsquared March 15, 2003

by Charles Henson March 30, 2005

Usually a guy who is good at sports, drinking, partying, and pleasing the opposite gender. These guys are a special breed of guy that can only be found in the 951. There is a group of friends who coined themselves as THEE Sick Ass Dudes
person 1: "that guy is badass!"
person 2: "yeah, he's a sick ass dude"
person 1: "oh for reals? No wonder!"
person 2: "yeah, he's a sick ass dude"
person 1: "oh for reals? No wonder!"
by Cubeta November 21, 2007
