Fusion of the adjectives 'retarded' and 'bitch'. When a beautiful, usually young, and sexy woman uses her body attributes to attain attention while pretending to be ignorant on a specific subject or task.
Karen is frequently retarbitching at work. Unless those pussy slaves start to act like real men, that whore will continue to take advantage of them.
Not willing to move, change, or shift in any way at all.
On this particular issue, I won't budge an inch.