when one's feek becomes instantly liquid after consuming an overly spicy food product.

also known as hershey squirts.
Aww Man, I went to CiCi's and had some pizza and now I got the instashits.
by Matt April 10, 2004
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One of those shits where you need to go instantly
“Bro, i just had an instashit, must’ve been that curry i had last night.”
by adamyehhh December 26, 2018
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When some serious shit goes down instantly
I was having sex with my girlfriend, and her mom walked in causing instashit
by Gootintag April 3, 2010
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When you eat a certain food and it immediatly causes a bowel movement.
Today I ate Indian and had an instashit moment prior to leaving the resturant.
by Storm119 May 23, 2018
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