dumbass retard
A person who acts really stupid, and your not sure if he or she is a retard or a dumbass. So you just say dumbass retard.
Me: Shelly is a dumbass.
Friend: No dude, I think she's is just retarded.
Me: Well then she's a dumbass retard.
Friend: No dude, I think she's is just retarded.
Me: Well then she's a dumbass retard.