University slag, when a lecturer goes down on a female student.
"Dr Barrett gave Liz a good grilling"
by TheDarkFox July 20, 2012
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An alternative/last resort to the fixing of teeth
Dentist: Well, no matter what we do, we can't fix your teeth for less than the cost of this gold and diamond wristwatch band.

Rapper: Damn! Let's just put that in there then!

Rappers White Friend: Nice grill, yo!
by The.Mattman October 8, 2010
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Man, that guy is like, permanently on the grill hey?

For sure man, he puts Marley to shame.
by rut rabies July 24, 2006
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To insult, to degrade.
"That skank's outfit is a nightmare."
"Oh grill."
_

"Who'd you pick up last night?"
"Your mom."
"Oh GRILL."
by PBear August 31, 2006
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Cocaine. Crack. Grill was derived from Grill cleaner due to the leaking nose effect cocaine has when snorted into the nasal cavity.
"Yo son let me get a bag of grill", "i sniffed mad grill last night", "nose is clogged up, let me get some grill cleaner"
by Unfuckwitable January 18, 2009
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Playing capture the flag on Halo 3, or more generally playing Halo 3
Once we finish studying want to take a break and grill?
by Treezy Heat June 5, 2009
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