mouthwash 

getting your dick sucked whilst brushing your teeth

your o-cavity is better than listerine, baby

mouthwash by Andrew February 3, 2005

arabian mouthwash 

when a female gargles fresh arabian male cum to start the mourning and doesn't brush her teeth that day.

that bitch had a some arabian mouthwash and her breathe smelled like shit.

arabian mouthwash by bakscrache October 19, 2006

Mathgasm

That wonderful feeling you get when your didn't understand a math concept, but then suddenly you do. This wave of understanding is oftentimes accompanied by an audible, "oooooooooo".

Teacher: "So you see, the limit of f of x as x goes to 3 is infinity..."
Student: "OOOOoooooooo! I get it now."

Other student: Wow nice mathgasm.

Mathgasm by bientrabajoe September 26, 2010

Lemon Mouthwash 

When you Jizz in a cup, mix it up with some lemon juice and tell someone its lemonade.

Friend: Whats this yellow stuff on the counter?

You: Dont drink that its lemon mouthwash! Im using it on inlaws later!

Lemon Mouthwash by Xandacommanda December 3, 2010

Memphis mouthwash 

when a man jizzes in a womans mouth then pisses in it, leaving a scent reminiscent of the southern cesspool of Memphis Tennessee.

"Did you hear about Amy Winehouse?

yeah she showed up to an interview smelling like Memphis mouthwash

Memphis mouthwash by honkyhater69 November 25, 2011

Mouthwash 

When a male puts 2 or 3 mints into his dick hole, leaves them in there for a few hours and pees into a womans mouth. The pee will have a minty flavor. After about a week, the mints will violently and painfully slip out of the penis

I made mouthwash for my wife 3 weeks ago and she loved it. When the mints exited my dick it hurt, but it was de

Mouthwash by kenny the greatness May 8, 2010

russian mouthwash 

A shot of vodka that is swept in the mouth from side to side and then either spat out or (usually) swallowed in the absense of toothpaste or mouthwash, or from excessive lazyness

Since I lost my toothbrush in the woods on the camping trip, I had to pull a russian mouthwash two nights in a row.

russian mouthwash by Yegor July 16, 2007