1. The activity or group of activities and/or actions related to training for a Tough Mudder competition.

2. The activities and/or actions executed while competing in a Tough Mudder.
"Atlas stones are too heavy and too awkward to be effectively used during muddering."

"Look at that! She's muddering faster than I've ever seen!"
by Mudderling January 15, 2013
Get the Muddering mug.
Some one who likes to play in anothers ass, arse ,buthole and/or anal
L; man i was balls deep in your wifes ass
D; dude your a mudder
by Sweet_Lou September 7, 2006
Get the mudder mug.
Some one who likes to play in anothers ass, arse ,buthole and/or anal and get thier wank all muddy
L; man i was balls deep in your wifes ass
D; dude your a mudder
by Sweet_Lou September 7, 2006
Get the mudder mug.
A person, usually a young teenage boy, althought can be anyone, who plays a type of MUD game (Multi-User Dungeon). These are all text based games, and so, the person who would be lame enough to do this, has NO life, hence a mudder.
Tom: You play any internet games yo?

James: Sure, I play this text-based game online called MajorMUD.

Tom: That's lame as hell dude. You mudder.
by ferm August 17, 2006
Get the mudder mug.
Attempting to perform anal sex while you have whiskey dick.
I tried to put it in her butt last night after the bar but it turned into a round of tough mudder instead
by Gtoaster July 31, 2018
Get the Tough Mudder mug.
-a person who is incredibly awesome and laughs/smiles uncontrollaby
-implictly saying "motherfucker"
"yo tee,your such a mudder-fugger"
"go die in a fire mudder-fugger "
by definition-dictionary. June 17, 2007
Get the mudder-fugger mug.