Bluffmuff
When a woman lies about the men she has(n't) slept with. Often resulting in rumors and negative attention for the other parties involved, especially if the bluffmuff isn't attractive, which is often.
Hey, I heard that you slept with Cindy last night bro. How drunk were you?
Ah hell nah that bitch ain't nothin but a bluffmuff!
Ah hell nah that bitch ain't nothin but a bluffmuff!
bluffmuff
When a girl/ woman who is in a relationship with a man lies to the man she is with, about having sex with another
"Charlene was sleeping with my best friend Billy, she's such a goddamn bluffmuff" said Maurice