Top Definition
Your stepmother. Title usually given to a stepmother who is not popular with the stepchildren. Pairs nicely with the derogatory term for stepfather- stepballs.
"You're buying someone a birthday present from 7-eleven?"

"Yeah, it's for my stepmuff."

"Wow, I didn't know you cared that much for her."
by KarmaCorn July 10, 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.