Used by Uncle Eddie on the show Grounded for Life! Meaning cool, awesome, sweet, etc.
Sean: ...I got Claudia pregnant.
Eddie: That's ILL!
by honkhonk August 22, 2006

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Soft and offensive. Just like you.

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To CHill or relax, usually while smoking gods fine herb..weed;

To be tight, approved, awesome
Yooooo...lets ill and smizz some weeezy!

Ill dude
by Shiba SHiba September 25, 2003

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Slang. An expression meaning cool, and often dangerous.
-That shit is ill man.
- That 900 you pulled was ill man.
by Zack Schomp November 19, 2003

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Stoned or drunk.
Bored as hell and I wanna get ill...
by rob29 March 18, 2003

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It is when a girl is sexy in an unparalleled way. sick
Delida is ill! These girls are not compared to her.
by NtjathiCKris August 20, 2014

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To get shitty or get an attitude with someone.
goddamnit dont get salty and ill with me mother fucker.
by anony1231451 March 29, 2010

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A term by skaters meaning, "sweet".
"Dude! Did you see that fakie big flip to smith I did?"
"Hell yeah dude, it was ill."
by swoopdawoop July 25, 2009

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