What is Bitch-ass?
1.
No known origin, this word derives from the street slang equivalent for words like 'Coward', 'Scared'and 'Punk'.
Meaning to be afraid, unable to 'step-up'.
Also used in conjunction with the terms 'nigger' or 'nigga', 'trick', 'fool' and 'motherfucker'.
Mark called Duane a bitch-ass motherfucker for backing down from a fight.
When Shirley found out Alana was dating her man behind her back, she stated 'I'm gonna beat that bitch-ass trick for fucking with my man!'
2.
a degradation of a persons character; like calling them a pussy
your a bitch-ass muthafucka
See
3.
An insult.
"I'ma kick the shit outta yer bitch-ass self if you don't shut the fuck up!"
See