The contact of a ballsack with a chin or ass, also known as "balls deep." Derived from the following picture... 8======>0 8===0 80 ...as you can see, the wang is in full "80" position in the final in the 3rd stage.
Tanshizzle- Damn dawg that biatch you had up in yo' room last night was a moanin hoe. Brah, I couldnt even sleep!
Erntar- Yeh bro thats cuz I was goin eighty on that sloppy lil' coochie.