Non Compus Mentus 

Latin for "not complete of mind", basically meaning "stupid". See: Ignoramus.

Bob: Hey, Mark...
Mark: What?
Bob: You're non compus mentus.
Mark: I don't know what that means, but fuck you anyway.

Non Compus Mentus by Grammar_Nazi January 21, 2008

Mentuo 

Person with a conspiratorial, doubtful attitude. Originally from Maracaibo, Venezuela.

- Si sois mentuo muchacho
- No me contestó el mensaje y me puse mentuo

Mentuo by vapuesnosabeisvos December 30, 2021

Beatus Meatus 

The most powerful of all spells in the harry potter universe

"Beatus Meatus!" Harry yelled killing Voldemort instantly

Beatus Meatus by xXx_Keklord69_xXx February 8, 2018

Diet Coke and Mentos Challenge 

A challenge where you put a bunch of mentos in your mouth and trying to consume a 2 liter bottle of diet coke spilling as little as possible. The chemical reaction produced by the coke interacting with the mentos causes it to burst out causing people to spill coke while consuming it.

"Chester and I tried the Diet Coke and Mentos Challenge last night, man it hard to chug down that Diet coke tho!"

Diet Coke and Mentos Challenge by Chris's_Zen May 5, 2013

Montussy 

The bussy of an animatronic alligator.

"I need his Montussy. Give me that Montussy!"

Montussy by monty'scumsock January 24, 2022

Mentos mudslide 

The act of inserting a full package of mentos to the inside of an asshole during anal sex and - subsequently - adding your jizz and a glass of diet coke to the mix.

Drinking the ensuing mudslide is optional.

Jerry gave Melanie the best mentos mudslide ever; she gaped like a pro and the ass-geyser was at least 7in high!

Mentos mudslide by diabolicphallus December 19, 2007

mentulate 

Possessing an extraordinarily large penis. (adjective)(also Mentulated)
More common in old 'bodice-ripper' novels; a term for "well hung" that lends a certain appearance of culture to your p0rn.

Priapus was the most mentulate of gods.

mentulate by Mentulated in May 1, 2007