When you have a lunch that consists of some kind of lumpy slush with chunks in.
Person: What's that you're having for lunch Rohaan?

Rohaan: Coronation chicken on a baked potato

Person: So it's cat sick then.
by Grammar_Queen February 28, 2011
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When one needs to do a tactical yack after consuming to much alcohol and so, instead of a normal vomiting position, the person positions themselves on all fours and imitates a cat vomiting (whilst vomiting)
'Hey, I'm feeling like I need a tac yack'
'No worries, just perform a sick cat'
by KezHenkz January 2, 2016
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