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!