What is Buttflap?
1.
Those goofy squares of cloth, sometimes cut from an old tshirt or some other random piece of cloth (but now available at hot topic probably) that alot of street punks wear dangling from the back of their pants.
Freddie had to lift his buttflap out of the way to get his H out of his back pocket.
2.
a flap of skin hanging from the butt
beltar conehead
