Mouth Vesuvius 

When you throw scalding coffee on someone's bare ass and immediately try to lick it off

John: Did you hear what Gregg did to Mandy after work last night?

Cheri: What pray tell?

John: The ol' Mouth Vesuvius. But he buried his face so fast and deep that he had to go to the E.R. 3rd degree burns - may be permanently scarred!

Cheri: How dreadful. Say no more.

Mouth Vesuvius by Un Garcon et son Cherry October 21, 2012

Mouth Dandy 

50's slang for receiving a blow job.

Hey Hun, thanks for the swell martini. How about a terrific mouth dandy?

Mouth Dandy by GuppyUnit August 22, 2012

Mouth Surfing 

Sitting on someone's face while rubbing your genitals across their mouth and tongue.

Janet was more than happy to accept Tim's offer to go mouth surfing.

Mouth Surfing by Captain Otto September 1, 2013

Mouth Bidet 

When you fill your mouth with water and spray someone's butthole

Amelia had some poo on her butthole so I gave her a mouth bidet

Mouth Bidet by Yanna Goldschlager June 28, 2015

Mouth mega phone 

when you open someones mouth whilst asleep and fart into it to make an echo and make it much louder.

Dude greg fell asleep
Dude lets totally mouth mega phone him
aight

Mouth mega phone by TheAlmightyDefiner January 5, 2016

Mouth jewels 

Mouth Jewels are another term for a mans testicles.

I kicked Randy in his mouth jewels so hard he was lifted off the ground.

Mouth jewels by Ricochet Rabbit July 3, 2016

mouth battle

A verbal disagreement. An arguement.

Tom and Jimmy got into a Mouth Battle over who had the nicest hair.

mouth battle by jjtreese May 23, 2016