one bad mother fucker 

If you have to ask then you never will be one

Troy H

Troy’s one bad mother fucker

one bad mother fucker by Halvyt July 17, 2018

Uncle Bad Touch 

Your creepy uncle that always seems to want a grope-hug and tells you to sit on his lap. The one everybody feels awkward around ever since he took little Susie under the stairs at last year's family reunion.

Man, Mike seems like a real Uncle Bad Touch. He's pretty creepy.

Uncle Bad Touch by Misha Pilsudski December 27, 2010

Big Bad Nuts 

A revered and widely well-loved folk hero who is best known for his unstoppable ability to identify abuse of authority and bullying and then to bravely step in and stop it.

No threat makes Big Bad Nuts back off because he has no fear and no regrets, no matter what!

Big Bad Nuts by Dr Bunnygirl August 29, 2019

Milf's gone bad

A mother that you'd like to fuck, that was once hot; but now she doesn't look so good

After seeing Britney Spears with her head shaven,I think the milf's gone bad.

Milf's gone bad by Charles Reardon April 22, 2007

nae bad

Meaning that is rather good or not as bad as one may have thought.

that was nae bad times to the max (after a really good party)

nae bad by FiGal February 23, 2009

Flash My Bad 

To flash one's bad is to show your dark side. Either a physical act or a threat.

Dan: What did you do after he got in your face?
Max: I flashed my bad

Random: You are a dick, I'm gonna beat you up
Dan: Don't make me flash my bad

Flash My Bad by danwest December 28, 2011

Strong Bad

The embodyment of Manliness. Calls everyone crap and has assistant named The Cheat. Has brother named Strong Sad and another named Strong Mad. Homestar Runner's arch rival.

"Why you lazy crap for crap!" Strong Bad

Strong Bad by Jonathan November 15, 2003