A variation of the tea bag. The difference between the sleeping bag and the tea bag is a tea bag is usually announced or planned. The sleeping bag is performing the tea bag to an open mouthed sleeper unbenounced to the victim.
man that tall guy fell asleep in my jetta and i totally sleeping bagged him.
When a man, after a rigorous regimen of scrotum stretching, takes his elongated scrotum and rolls it up and places it into the anus of a woman during coitus. Akin to a shocker, only performed by your genitals instead of your hand.
After I spent months of stretching out my ball sack daily with complete and utter dedication, I went down to the sigma chi sorority and sleeping bagged a few hussies.