a dude is a guy. that's basically all there is to it. sometimes, you might just use it to address anyone though. it's just a way to acknowledge people.
by Mandy Ganus June 28, 2006
by charles mingus February 14, 2008
something guys call each other that somehow makes them sound cooler but girls can only say it on internet conversations like myspace
by ELLO DUDE April 18, 2008
by winwood November 04, 2005