the act of feeling incredibly chill, mellow, without a worry in the world. usually used as a response to the question, "how you 'chillen?" a few minutes after smoking a bowl, joint, bong, blunt, chillum, or any other device for smoking marijuana.
I'm chinchillin' with a chilly chinchilla just chinchilln' on my chinny chin chin chinchillin' at a chilly Chili's chewing on chilled chinchilla (who also has a chilly chinchilla...)
Anti-Chinchilla sentiment, commonly referred to as Chinchillaphobia, is prejudice, fear or hatred against Chinchillas, the Chinchillian Renaissance, the Chinchillian Fur or Chinchiras.