The act of exposing a large portion of your scrotum to an unsuspecting onlooker without exposing a testicle or anything besides the disgusting and hairy skin of your ball sack.
The Ground Beef is way worse than the goat
or the hemisphere
cause it can take someone a bit of staring before they figure out what is going on.
The Ground Beef could be the grossest thing i have ever seen.
If you get a good enough Ground Beef going, you can flick your wrist back and forth and get a sound like a ball slap. Its awesome.