Pussy, vagina, kitty cat, etc.

Referred to as such because, like a mouth, it has lips
by babypinkmitten November 12, 2021
Get the The mouth down south mug.
A variation on the common saying, "keep your voice down", but with more emphasis on physically keeping the mouth out of sight and harm's way.

Secondary usage of the phrase:
Also used when receiving oral pleasure and the giver lifts his or her head at an inopportune moment, typically before climax or orgasm.
Bob: No, those girls totally reek of cigarette smoke, no way would I think about hittin' that.
John: Damn it Bob, keep your mouth down, they are right behind us.

or

Jimmy: Damn it, Jessie keep your mouth down, I was about to finish!
by RocketJohn November 5, 2007
Get the keep your mouth down mug.
What you say to a bopper when you want dome. It is the best way to start a conversation with a hoe. The same as saying piece me up, give me brain, give me dome, give me knowledge, give me head, give me noggin, give me fellatio, choke me down, gag me down, blow me down, blow me up, suck me up, give me a hummer, give me face,
Bitch, mouth me down. Mouth me the fuck down you fucking slut. Mouth down my friend over here.
by The Train and Robert S. August 16, 2008
Get the Mouth me down mug.
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."
by greenpineapple7 May 5, 2014
Get the Upside Down Mouth Pound mug.
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."
by greenpineapple7 May 5, 2014
Get the Upside Down Mouth Pound mug.
When two males and a female participate in the act of copulation and one male's genitalia are in the mouth of the female and the other's genitalia are in either her buttocks or her vagina.
My friend and I wanted to have a threesome with a female from the workplace except we weren't comfortable with textbook double penetration so we decided to put one in the mouth and one down south.
by Jakovovich February 10, 2010
Get the One in the mouth and one down south mug.