Mcmuff dive 

To go down on a fat girl.

Dave: did you take home that fat girl from McDonald's?
Chubby chaser: ya bro, I even gave her a mcmuff dive.... Twice.

Mcmuff dive by Illtryanythingtwice December 5, 2013

egg mcmuffdive

an alternative form of egg mcmuffin

At a Mcdonalds Drive Thru: "Yeah, let me get 2 hash browns, and orange juice, and an egg mcmuffdive."

egg mcmuffdive by You know who it is. March 29, 2008

McMuffdiver 

Similar to a McGangbang, a McMuffdiver consists of a McDouble, and, replacing the spicy McChicken, a Fillet-O-Fish placed in-between the patties

"Have you ever had a McMuffDiver?"

"Nah, I don't like fish"

McMuffdiver by Sndndb June 27, 2023

McMuffdiving 

The act of jamming an entire McMuffin, egg and all, under another person's door.

Yo we totally should go McMuffdiving at Matt's place.

McMuffdiving by Shitunderdoor January 25, 2019