What is Goose Necking?
1.
Slowing down to look at accidents, tragedies, crime scenes, etc. Aka
Stop goose necking, you're slowing down traffic.
See
2.
One who initiates the act of pushing the head forward upon high intoxication before regurgitating. This action resembles a goose waddling.
Franco drank too much beer, before throwing up he began goose necking when he ran to the toilet.
See