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2.
To be stoned in a monumentus way.
Man, that guy is like, permanently on the grill hey?

For sure man, he puts Marley to shame.
by rut rabies July 24, 2006
 
1.
adjective. Used to describe something extraordinarily appealing; awesome; outstanding. Compare to off the hook, off the chain. Possible origin: Southeastern Louisiana.
Yo, that DJ's beats were on the grill!
by Not Craig Henderson September 17, 2009