1 definition by TheBadOwl

A combination of "chill out" and "calm your tits." The tits are calmed so much that, in some cases, they actually start lactating.
Girl: "BITCH BITCH BITCH BLAH BLAH BLAH"
Guy: "Woah, chillactate, you're being a bitch."
by TheBadOwl January 13, 2012
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