A sleek game player online who "pwn" and "owns" other "noobs" at most games. If you you/spot a shadydingo online, steer clear and back the fuck off.
"Omfg that shadydingo got 60/0 kill/death ratio on Halo 3!"
"That bastard is such a shadydingo, hogging all the kills!"
"That bastard is such a shadydingo, hogging all the kills!"
by Jeffolomere December 20, 2007