sleep throating 

When someone is to insert elongated penises in their mouth (deep throating) while they slumber.

"Dude, I keep waking up with a stiff neck and semen in my mouth. I think I was sleep throating again."

sleep throating by Daddy 9-inch November 20, 2014

sheep throating 

It's when you give a sheep (or goat) a blowjob.

Mayka sheepthroated that goat in exchange for some of its cheese.

Sheep throating is an official sport in New Zealand.

sheep throating by DudeManBro August 27, 2015