When a person's head jerks back and forth as they fall asleep while sitting.
That class was so boring I started turkey necking.
by Robotz February 07, 2006
as you and your female partner are having sex doggy style the head of your penis pulls the inside of her vagina out resembling that of a turkeys neck
The other night I was back there turkey necking my old lady.
by Mr. Pit July 13, 2008