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1.
An orca(killer) whale, that is insanely chilled out or calm.
"Dude, did you just see that killer whale, he was loungin' and a sea lion swam right past him"

"that's no killer whale, thats a CHILLER WHALE"
by Matt Murphree December 07, 2008
 
2.
Up and coming reggae band from San Luis Obispo California. Always down to jam and have a good time. Shoots Bruddah!
Chiller Whales aint your typical band!
by Central Coast Reggae April 06, 2009