The massive wave of toilet water that is displaced when a giant turd is blasted out of your ass.
The explosive dump I just took caused a massive shitnami. Now there is debris all over the floor.
by Syndrome of a Downs January 18, 2007
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Shit + Tsunami= Shitnami. An urgent, sudden, copious, and explosive emptying of bowel contents. Often happens after a night of draft beer, boiled eggs and/or White Castles.
"Oh, man, Jimmy, I had such a shitnami after downing all those draft beers and pickled eggs last night.
by elysian69 April 29, 2016
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The sudden realisation that the shitstorm in your life was only a precursor to drowning in an overwhelming tidal wave of shit.
Kevin though his life was a bit of a shitstorm when his rental agent gave him notice to vacate his flat, but came to realise that he was in a shitnami when his dog Bozo was run over and killed by his wife when she left him for a famous Latino pornstar, lost his car and all of his money in a drunken poker night, was diagnosed with terminal penile cancer, and disowned by his mother for forgetting her birthday.
by FatTonyPearls April 8, 2023
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