Top definition
Someone who is a super sized mother fucker, as in super sizing at McDonald's.
"So, he came to the party, brought all his friends, drank all our beer, and left. What a McMother Fucker."
by Jackie McNasty May 21, 2009
Mug icon

Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

Buy the plush