An inncorect way to spell /r/-tard which is a reference to certain people on the 4-chan boards. Referenced in South Park and correctly spelled if you had captions on.
guy 1 you know a guy named parker??
guy 2 yeah he's that skinny blonde autard stoner that never grew up guy 1 hmm he must still be in the amoeba stage
guy 2 yeah he obsesses a ton over pot