(rectal mouthwash) is when someones passed out at a party pulls down there pants and (poops) in the past out persons mouth while its open, and they swish it around while snoring. Thats (rectal mouthwash)

My drunk friend passed out with his shoes on and broke the house rules so i Plopped a big turd In his mouth and he enjoyed his snoring (rectal mouthwash)

rectal mouthwash by parachute bandit August 24, 2016

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Whores mouthwash

A beer, or any other alcoholic beverage used to chug after having performed his or her duties

"That whore sucked me up and swallowed. So I gave her a beer to wash it down. "
"Ah, a whores mouthwash."

"Yeah."

Whores mouthwash by DelGatoVerde July 2, 2017

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Peninsula Mouthwash

A glorified blowjob where the individual performs the act while, just after using mouthwash.

(A)"I heard you got head yesterday." (B) "Even better, she gave me a Peninsula Mouthwash." (A) "You lucky motherfucker."

Peninsula Mouthwash by garythechair August 7, 2018

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