When you overthink something while using the bathroom.
Friend1: "Hey are you going to play PUBG with us?" Friend2: "Hmm.. let me overshit it real quick, brb."
by Rusty Pancakes December 27, 2017
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To react to something too strongly : to respond to something with too strong an emotion or with unnecessary or excessive action.
-I decided to delete my Facebook account due to it's lack of privacy and push for socializing

-OMG Becky, why? Facebook is an awesome place for people, you don't have to insult everyone just because you dislike it, uh.

-Kate, your overshiting again.
by NotMark443 August 12, 2020
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A term used for when you overthink something from earlier while using the bathroom. Overshitting may result in a more objective or critical view towards some situations.
Freind1: "Hey are you gonna play some PUBG wit us?"

Friend2: " Uhm huh.. maybe.. let me overshit it real quick"
by Rustypancakes January 6, 2018
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-hey kyle i just overshat a fence

-dude stop who are you my name isnt even kyle, also whats overshitting

-shitting over something

-makes sense
by October 31, 2021
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A day when you release your bowels so much, that you clog the toilet completely.
Today was overshit day for me, that toilet will probably be backed up for weeks.
by username4544 September 22, 2020
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