A word used to describe someone or something , usually meaning stupid/retarted/dumb .
Kay : Mom , why did you buy that car ?
Momma : Beacuse honey , I like Dodges .
Kay : But , mom , that car is ugly .
Momma : Well , how are you gonna get to school ?
Kay : I'd rather walk .....
Momma : Fine by me !
Kay : DERKA DODGE ! D:<