mouth to south 

Giving oral sex.

This phrase is used by actor Eddie Griffin in "Deuce Bigalow: European Gigolo".

Russian women are a little freaky down there, hair start in the front, don't end 'till the back. So if you have to give a little mouth to south, put a clothespin on your nose.

mouth to south by RPDJ December 10, 2007

mouth to south resuscitation 

This is generally when a girl goes down on a guy (hence the southern direction) and gives him a blowjob. Conversely this term can be used to describe a guy going down on a girl too.

He wanted a blow job so asked his girlfriend to do some mouth to south resuscitation

mouth to south resuscitation by MrSexy September 22, 2007

mouth to the south 

The act of Cunnilingus or Anilingus, as your mouth clearly goes to the female's southern region.

Hey Hank, I totally went mouth to the south on Amy last night.

mouth to the south by gorilla tities March 11, 2014

South To Mouth 

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.

South To Mouth by Erock Throatpuncher November 4, 2009