A word combining an extention to the phrase "chiller" (meaning awesome, sick, amazing) with a pun on the animal name "chinchilla" to describe something that displays ultimate enjoyment or deserves absolute admiration; the absolute best.

Sometimes the word is divided in half to accommadate the swear word "fuck";"Chin-fucking-chiller"
Zoton: Man, what did you think of that DJ?
Fastab: Man, he was chinchiller.

by Stourbridge's Finest February 24, 2008
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When a cutely aggressive person relaxes and stops being aggressive because they are tired and want to take a rest. This person could turn into an aggressive one as soon as they are well rested.
Mel: Where is Chinch?

Mom: She is chinchilling for now as she is overly tired.
by Afshin Doust .@AIS May 23, 2021
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