Definitions by Righty {:)

left tarded 

1) The inability to use the left side of your body well, beyond just being right dominant.
2) Sucking at using the left side of your body to the point where you think the left side of your body is retarded.

Alan: "Dude, you suck at doing those side steps!"
Dylan: "I can't help it, man! I'm left tarded!"

left tarded by Righty {:) March 27, 2011