Muddler Fucker 

A person who wile preparing a libation that requires muddling; muddles in an overkill fashion, to the point where "bits" from every sip end up in your mouth.

Wow, Alice really smashed the mint in my mojito to smithereens. What a muddler fucker!

Muddler Fucker by NIHILER February 13, 2021

Mudder Fucker 

People who won't stop bragging about their involvement in torture races, i.e. Tough Mudder, Spartan Run, etc.

"Here comes Steve wearing a new race shirt he's going to tell us all about, what a mudder fucker."

Mudder Fucker by Lenny Laserdisc May 13, 2015

Tough Mudder Fucker 

One who completes the Tough Mudder Challenge.

Guy1: Did you hear Michael completed the Tough Mudder Challenge?

Guy2: Yeah he's a Tough Mudder Fucker.

Tough Mudder Fucker by XxMayhem6xX April 22, 2012

mudderfucker 

A person who has sex with a Harvey Mudd student (Mudder)

-lets hang out tonight
-No, I actually have something to do))
- what?
- A cute boy from Harvey Mudd invited me over to his place)))
-YOU MUDDERFUCKER!

mudderfucker by ra tsa tsa June 17, 2022