penetration

Penetration is the medical term for the penis entering into the vagina. It's a good way term for talking about sex if one wants to seem mature. Even if you're a dirty little pervert, you'll sound like sex is more than just an emotionless action caused by hormones if you call it 'penetration' rather than 'fucking around,' 'doing it,' etc.

Dude 1: Did you fucked your girlfriend last night?

Dude 2: Penetration occured and I depostited my semen inside of her vagina.

Dude 1: What the fuck? You're a frat boy, you don't talk like that.

Dude 2: I know, but I sure sound mature, don't I?

by Tit For Twat January 31, 2007

Triple Penetration

This is where a woman is penetrated by three men with the penises in different combinations in the anus or vagina eg 2 in the vagina and 1 in the anus. Hence, quadrouple penetration would be relatively simple by stationing another penis in front of the woman's mouth.
The term is often confused with an "airtight seal" which is where all three orifices are filled with a penis.
Many are skeptical about this as not many women are able to accomodate such a volume plus the restrictions in space make it difficult, plus many men aiming to penetrate a woman would not enjoy the concept of grinding their penis against another man's. However, it has been seen in a small volume of porn films and in the Annabel Chong sex marathon.

That girl was a real dirty loose whore last night, we managed triple penetration!

by Abrar Ahmed June 4, 2006

Double Anal Penetration

The act of having two peni rammed into ones asshole.

Mrs. Presland (from Lawrence High School) loves double anal penetration; especially with black men!

by Bobby Mcprescott February 5, 2004

Penetration Pendulum

Entering a man from behind while he is already balls deep in another man, then proceeding to thrust. Thus creating a testicular penetration pendulum.

I love orgies, but the real highlight is kyles balls hitting mine during the penetration pendulum.

by TotalistOfTitans May 12, 2021

testicular penetration

The true meaning of "Balls Deep"
IT WENT SO DEEP, THE BALLS PENETRATED THE ASS AND EXPLODED EVERYWHERE INSIDE. Can also refer to vaginas as well.

Jayce : Are you ready for some testicular penetration baby?
Ezreal: Oh yes, I'm always ready

by TheMountMaster November 15, 2014

Gateway Penetration

The finger that leads to the penis, that is to say, fingering.

"Hey are you still a virgin?"
"Yeah, but gateway penetration happened"

by Kreacher of the night December 3, 2014

Quad-Dildonic Penetration

Noun: Penetration involving more than three and less than five dildonic objects, generally dildos, or in the classic western form, dildi.

Last night Jill had some crazy quad-dildonic penetration

by The baddest mofo who wants to be a pilot July 7, 2008