Apollo 69 

All you need is a hallway, a rolling chair, and a willing girlfriend.

The girl sits down naked in a rolling chair at the end of a hallway, and the man climbs on top of her, upside down, and they begin to perform the "69" on each other. When he is about to cum, he slides down her body and sticks it in her front for 3 good thrusts counting down (3... 2... 1...) then as he cums on the third thrust, he simultaneously slides all the way off, kicks the chair hard, and shouts "Lift Off!" as she goes rolling down the hall with the his cum leaving her like flames out the bottom of a space ship.

I had to get the carpet cleaners in here to clean my hallway because I gave my girl the Apollo 69 last night.

Apollo 69 by Character Choice October 15, 2009

Apollo 69 

When you’re laying pipe in space and cum inside her launching her forwards.

As Neil and Buzz descended into the atmosphere Noel said “I wish we had a lady astronaut with us so we could have Apollo 69’d her”.

Apollo 69 by Therealtractor August 16, 2019

Apollo 69er

a slang term used by truckers meaning "I'm looking to fuck any living organism right now, regardless of race or species because I have been on the road without sex for an incredibly long period of time"

Trucker 1: Whoooo eeeeee! I gotta gets me some Apollo 69er 'er else my dadgome dicks gonna fall off!
Trucker 2: Ain't dat da truth! I ain't had no sexy time in a month of Sundays!

Apollo 69er by Adolph Oliver Nipplez December 20, 2008