Dead Fish Mouth 

A girl or a guy who doesn't enjoy giving oral. They leave their mouth open and don't suck or move their tongue.

By not doing anything with their mouth or tongue, the other person is getting no enjoyment out of receiving head.

She just wasn't into the bj, I might as well just have stuck my wang in a large mouth bass, woulda felt the same. I hate when I get bad head, damn dead fish mouth girl!

Dead Fish Mouth by Dex Doom December 19, 2013

Upside Down Mouth Pound 

When you lean a girls head off the end of the bed in order to open up her esophagus and you furiously enter and exit your penis.

Kelly: "So Rachel, did you finally give Jerry a blowjob?"
Rachel: "Blowjobs are for the weak, Rachel. I let Jerry do the Upside Down Mouth Pound on me."
Kelly: "That seems like it would hurt!"
Rachel: "It's not that bad since it opens up my esophagus."

Upside Down Mouth Pound by greenpineapple7 May 4, 2014

benga nut mouth 

The term used to describe the state of somebody's mouth after they kiss a girl that got nutted into 3 times in row my benya. The only cure for BNM(benga nut mouth) is suicide.

Person 1: Did you hear what happened to Aidan?
Person 2: What happend?
Person 1: He got benga nut mouth
Person 2: oh shit *cocks gun* time to put that fucker out of his misery

benga nut mouth by Benga nut mouth March 4, 2019

kiss you on the mouth 

An affectionate term that does not mean to literally kiss someone on the mouth. It is used when another person does something cute or sweet.

Thanks for bringing me coffee Nikki! I could kiss you on the mouth!

kiss you on the mouth by Ducking Jen October 8, 2020

you need to mouth shut 

roblox language for shut your mouth

all of you need to mouth shut

you need to mouth shut by johny fucking depp March 8, 2021

German Pornstars' Mouth

A term describing someone as Full of Shit

they ought to call you a german pornstars' mouth; because you're full of shit.

German Pornstars' Mouth by Snode January 31, 2023

putting words in the horse's mouth 

interrupting someone by finishing their sentences/words for them

boy, in an argument with his father:

boy: dad, sorry, I'll skip dinner tonight and (...)

father: (...) finish your chemistry and physics projects you are working on? That would be nice.

kodem koll, dad, stop putting words in the horse's mouth, and FYI it's actually Italian and Latin homework I was going to work on, later on the chemistry and physics.

putting words in the horse's mouth by Uncle Dimma April 28, 2014