Top definition
A wave of toilet water, usually containing human feces, that results when a toilet backs up and spills it's contents all over the bathroom floor. Tshit tsunamis are common in the mensrooms of second rate media companies.
Nick's turd was so large that it caused a tshit tsunami, the likes of which we have never before seen in these parts.
by Bartholomew Sebastian January 06, 2005
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