Goose neckin' occurs when a person is in the late stages of a bowel movement. The "Goose Head" begins to honk while the rest of poop follows thus creating a "goose neck".
Driver: Dude open your window when you rip ass, I can taste that shit over here!
Passenger: Sorry man, I have been goose neckin' it for twenty minutes and I can't help it.
Passenger: Sorry man, I have been goose neckin' it for twenty minutes and I can't help it.
by Double Jizzle June 23, 2006
To stare at a car accident while slowing down to see it longer til you have past it and turning around to see it .
by Gimme a Reason September 26, 2017