Top Definition
A step mother who tends to control people who they have no right to control, such as step children. The step bitch is known to control the biological father of said children to a point of totalitarianism within the household.
"Tom told me that the lady his dad just married is turning out to be a HUGE controlling step bitch!"

"I can't believe Carrie, what a step bitch, jeopardizing my relationship with her step daughter!"

"My step bitch is making me do all the chores because she thinks I don't do anything!"
by Daniel Rodrigues October 15, 2008
One's woman on the side, whom lacks significance and/or priority.

Also, it can signify an unimportant person, whether male or female.
Don't worry about Tanisha. She ain't nothing but my step-bitch.
by Toyin Oluwole December 12, 2007
A step mother who is a total bitch
My stepbitch got a purse made for a 5 year old for my birthday. Total StepBitch move.
by Breana Abrams February 16, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.