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the current name for the band previously known as shinedown awarded to them ever since they started making shit music in 2015.
Wow.. that band shitdown really sucks.. i sure miss shinedown.
by b3astx February 08, 2017
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A prominent English grammar teacher at Fenerbahce High School in Istanbul, Turkey created a new meaning of shit down in the 1990's as defined below. Unfortunately, the English-speaking world has known nothing about this contribution. I am very proud to present it here as one of her students. Learn and widely use it, please.

shit down (v):

1) (order) to tell someone to sit down when they fail to answer a question properly.

2) fail to respond a question properly
You couldn't respond the question again. Shit down and next time work hard.
by tatu10c99 March 18, 2021
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Similar to a shutdown, which is when a large piece of industrial equipment is out of service for days/weeks for maintenance, a shitdown is an extended visit to the bathroom for defecation.
Guy 1: "Where's Steve? He said we were leaving at 8."
Guy 2: "Last night was taco night. I suspect he's on shitdown."
by The Potts July 24, 2017
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