frowning, unhappy
Ever since Eloise kicked Johnny in the peach pits, he's been south in the mouth.
by donka-dewballs November 2, 2015
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When a man from Mississippi is going down on his sister/wife, and get's a surprise mouthful of his daddys cum.
by Fatkhunt1292 June 15, 2020
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the insertion of genitals to an unknowing unconscious strangers face with the intention of making sure they are not avoiding interaction by playing possum.
There were a lot of empty bottles by her side and the party had ended hours ago. In fear that she was just going to try and crash on my floor I attempted to revive her by administering south to mouth. She quickly regained consciousness and I then helped her stumble to her car.
by Erock Throatpuncher November 4, 2009
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sucking on a guy's dick. the dick is the south because it's "down at the bottom" and you put it in your mouth.
Girl: lets go to WifeSaver to grab something to eat.
Boy: Yea sure, but you have to put a little south in your mouth first.
by polkadotz January 31, 2008
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(only for guys) when you stick your hand down the back of your pants, then rub your ballsack. touch the victim or- slap- them in the mouth or face. Then yell "DOWN SOUTH IN YOUR MOUTH!!" no teacher will know what it means.
Colin: oh my god!
Matt:what?
Colin: That ass-hole just did a down south in your mouth to me.
Matt: oh. HA!
by John Lennon iz not me October 1, 2009
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Another name for the female sex organ.
Q. Does the south mouth have any teeth?

A. If you had ever been inside a vagina you would know that the south mouth does not have any teeth.
by PeeBee January 22, 2004
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A euphemism for a vagina.
not only did i get a bj, i also got to bang her south-mouth.
by Rahl07 June 2, 2014
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