A way to describe someone so drunk/stoned they can't stand up in the shower.
Matty: Hey Joe, can you remember what happened last night?

Joe: Nah, I can't... must've had a sit-down shower.
by matthewj4x August 28, 2013
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The Ultimate Hangover cure.
The morning after partying a little too hard, you go into the shower intending on waking yourself up, but find yourself too tired and sit down.
Can go from fifteen minutes to upwards of an hour (depending on how big your hot water tank is)
Nicki was so bombed last night she said the only cure this morning was a half-hour sitdown shower.

That hangover was so bad it required not one, but two half-hour sit down showers!
by The Kuce November 18, 2009
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5 minutes ago i was sitting down in the shower. then i thought about urbandictionary.com and now i'm sittin here in my drawers drying off.

hint: do not sit on drain
by raywuzhere@hotmail.com May 15, 2004
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