Mfof stands for "Mouth full of food" and is used to describe when someone speaks in an incoherent, or unclear way. Useful against the following: Drawls, drunkspeak, Foreign accents, lisps and people who speak before swallowing their food or other edible/inedible substances.

Funnily enough, pronouncing Mfof sounds as if you're trying to say something through a mouth full of food.
"I swear, Ben came home drunk again and spoke Mfof up till he fell on the floor! Couldn't understand a word of that man."

"That French, German and Scandinavian exchange student can barely speak English! Sounds like a bunch of Mfof to me."

"Jimmy got stung by a bee on his lip! All I hear is Mfof when he speaks now, haha!"
by Kinroth July 31, 2019
Get the mfof mug.