69/11 

The most horrifying and dangerous sex move known to humans. It involves a jet engine, two penises, the Illuminati and an exploding nuclear vagina. I will not go into details.

No one shall be saved from the 69/11.

69/11 by Joe Mommas Ass October 22, 2011

69/11 

The day that Osama Bin Semen the Vaginal Terrorist took down two hot twins with his airplane-sized dick. He also left a crater in a BBW from his massive chode.

Now, kids, we're going to learn about the most dangerous sexual act to ever occur on American soil: 69/11

69/11 by TehKeyboardKrasher October 16, 2018

69-11 

when two people are 69ing while being fucked in the ass bytwo other people resembling the wtc

my girlfriend and were bored last night so i called up my friend and told him to bring his girl over so we could rock a 69-11

69-11 by nealon May 14, 2007

Porsche 69-11 

Reverse Amazon with 2 dudes, wherein the top has his dick in the bottoms butt, however the bottom has his dick in the tops butt; the dick in butt combination resembles the boxter style opposed piston block of the Porsche. Both guys are both car and garage at the same time. Bonus points for simultaneous climax.

Blake and Zale couldn't decide who was pitching and who was catching, so as a compromise they did a Porsche 69-11

Porsche 69-11 by Billyraydontcare September 5, 2021

6911 

An emergency, in which you require immediate, simultaneous oral sex.

Alex: I had the shittiest day today. Geez, 6911!

6911 by nicolenitrous March 29, 2009

6911127 

A number used to express 3 different world attacks. 6 million stands for the 6 million jews who died in the Holocaust, 911 representing the September attacks in the US in 2001, and 12/7 standing for the Pearl Harbor date, when Japan attacked the U.S's harbor.

"My favorite number is 6911127."

6911127 by 183838ckdshjm December 17, 2018

6911 

When you have sex and your plain is about to blow up or crash

“Babe let’s 6911 before we die”

6911 by SpedFromAnotherShed October 16, 2019