Verb and noun. When you approach a woman lying on her stomach at the beach and offer to put sunblock on her back. She agrees, but rather than reach for the tube of Coppertone, you quietly and quickly rub one out onto her back and apply.
I was chillin' at Zuma Beach and that damn Hagop tricked me into an Armenian Sunblock again.
When you hve a friend that constantly has a Bluetooth headset in his ear, wait until he falls asleep, remove the headset, and drop a nice firm turd along his ear. Then go to another room and call his cell. There ya have it: Browntooth at work.
If Fayed doesn't remove that damn bluetooth earpiece soon, I'm gonna give him a Browntooth when he takes his disco nap.