An exclamation of excitement, fear, or dismay yelled out to replace any swear word.
-Originated in Canada from the coincidental rhyming of the french word for cat (chat) with english (cat) said right after.
-Now known as the mixing of the past tense of shit (shat) and 'cat'.
boy 1- maaann i bombed that assignment yesterday...
boy 2-- SHATCAT! i fuckin forgot the whole thing!
by galactic911 January 21, 2013
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