Ghetto Yo-yo
When the string of a guy's gym shorts gets wrapped around his dick, and he pulls up on it.
"Dude I'm going commando in my gym shorts and you know how they have that little string on them? Yeah well this is really entertaining. It's like a ghetto yo-yo!"
"Now if you'll excuse me, I'm going to go play with my ghetto yo-yo."
"Now if you'll excuse me, I'm going to go play with my ghetto yo-yo."