Def. 1 (adj.): Utterly cool,
relaxed, epic, and laid back.
Def. 2 (verb):
Usually what you tell someone
when you want them to calm down and relax, except cooler than saying "calm down".
Example 1: " Did you go to the concert
last night? It was chill, man. Should have been there."
Example 2: Melissa: "OMG! We have to leave in like twenty minutes and I haven't done my hair or my makeup!"
Andy: Chill. I'll tell them you'll be
kinda late."