Ice grill, nigga, put your money where your mouth is
from Slaughterhouse – Hammer Dance Lyrics on Rap Genius
Meaning
An ice grill is a mean, cold facial expression. “Put your money where your mouth is” means to put money up in a bet.
Crooked uses another clever play on words here with “ice grill”, also referring to diamond grills — a lot of money on your teeth (where your mouth is).

Kanye’s diamond grill
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