to be tight, sick or cool. most likely used by northerners ghetto suburban people

your a person who's name is Lilly but did the take away the first and last letter of your name

Cool, awesome, amazing, hot, the best

Dope, fat, the bomb, the best.
Short for illicit
See also: sick

Acronym - I Love Life

This is the counter to the infamous FML (fuck my life) for positive people who love & appreciate life.

Describes disgust.

something that is excellent or attractive.
can be used as a verb "I am gettin some illness tonight". As a description "How was the party?" "It was an illness dude!" Can also be used in the negative tense. "That chick over there is an unillness.."