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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
 
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