v. Formal and informal expression used in occasions of annoyance, refusal, rebellion, and extreme feelings of audacity. It communicates to contemporary opposition that the matter at hand is not one of particular importance; meaningless, absurd, ridiculous, nonsensical, bizarre, inconceivable.

Existence of actual cat as pet is not required for the use of this expression.
" I used to feel bad when people laughed at me about my accent, but one day I woke up,

and decided it was time to tell them all to go take care of my cat."
by EscEncyclopedia October 3, 2011
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