The act of rolling around while 69ing covered in poop usually over a hill.
did you see me dunging last night?" "Yeah you hit like seven hills with her.
When a group of you and your buddies dig up a corpse in the cemetery, fuck and cum in its ass. Then two of your buddies hold the corpse in a standing position while you lay on the ground underneath while a third slams a shovel into it's stomach, resulting in your mouth filling with rotting entrails and semen.
Last week Phil and his buddies picked up a thirty of steel reserve, one thing lead to another and the night ended with a wholesome round of dunging.