After you take a dump and you press the flush handle but not long enough so the shit just moves but never gets flushed.
Jack: Dude that bathroom is horrible!

You: Yea I know its so horrible I think I just left a shit shift because the toilet and bathroom was just that bad.
by pinzilla619 December 2, 2009
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The act of moving any item/items to another place.
That table is so cluttered! I better do some shit shifting.
by blips April 1, 2008
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When you have to take a shit so bad you shift around to a position where it doesn’t feel like shit is going to pool out of you unintentionally
Chris: “I HAVE TO POO SO BAD ITS ABOUT TO COME OUT OF ME RIGHT NOW”

Also Chris: “oh wait. If I shit shift real fast I’m in a better position. I now don’t feel like I’m about to dookie my pants :)”

Man shit shifting is such a gift”
by Nukemars April 9, 2023
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An incomplete and wholly unsatisfying bowel movement resulting from irregular work/sleep patterns which counter the body's natural circadian rhythm.
Hey Bobby, my gut really aches you got any metamucil? After switching from midnights to days all I managed to squeak out this morning was a meagre shift shit.
by Santo Mierda September 8, 2010
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