1.VerbTo not do something out of fear; chicken out.
2.VerbTo back out of an agreement for any reason.
"My dad promised he would take me to a restaurant for dinner today, but much later, he was unexpectedly bitching out."
3.VerbTo complain.
"You idiot, get your ass over here right now! Why do you always have to bitch out at me?; My mom bitches out every time she sees bad grades on my school report card."
4.VerbTo yell at; to reprimand; to chew out.
"My dad bitched me out when he found out what I did to his car."