Grill

From Rap Dictionary

noun

grill

1. A persons face or teeth
2. "Guard your grill": protect yourself, grill" stands for your teeth, protect your face from getting punched. "I got the skill, I'll bust ya in the grill" -- House of Pain (Shamrocks and Shenanigans [??]).
3. Front of a car, the criss-cross part that lets air in to ventilate the engine.
4. To stare at a person
5. GOLD MOLDED TO FIT A PERSONS TEETH.
6. Silver Molded To Fit A Persons Teeth

means something tat makes ur teef shine "man i bust yo grill"

verb

To Show Your Gold Teeth To Someone You Disrespect.