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The act of defecation by a Deep Sea Diver no less than 15 minutes prior to Sup checks before entering a Hyperbaric Chamber or conducting diving operations. To prevent contamination and discomfort to others inside an enclosed space with foul human bodily fluids, fumes and major shits (I.e farts/gas/bubbleguts)
Doc forgot to take a shardin and 30 minutes into the dive he had to go while two other divers where in the chamber.

You better take your Shardin!!

Yo, you shardin yet?

Deep sea diver hdnd
by KDSA September 22, 2015
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Apr 20 Word of the Day
A term used to reference cannabis/marijuana/weed.
This Jazz Cabbage got me zooted. Jazz Cabbage is less harmful than Squares. I’m smoking that Jazz Cabbage boy.
by Gypsiehood97 December 30, 2017
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2
The word you use when you forget that center Parcs has a rapids

Or

The water slide that your boobs fly out on
Woah look at her going down the Shardin I hope her boobies don’t fall out
by Grxce_lxuise May 18, 2020
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