to be extremely surprised or fretfully concerned about something to the point where you may actually shit yourself
When Kel walked through the door, I almost shit my pants. She was the last person I expected to show up.

It's been a week since I've heard from them since they went to New Orleans, and since there's been a hurricane, now I'm shitting my pants.
by babycakest February 18, 2010
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Someone who has had an accident in their pants and/or a retard

very common with babies
Hey! Matt just shit his pants! What a retard!
by CowsGoneWild February 19, 2007
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Winston: "Yo dawg, I be winnin' the lottery."
Simon: "Shit yo' pants?"
Winston: "Hellz yeah."
by Kelsey Anderson October 29, 2008
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An insult meant to throw your opponent off their game. It can end an argument or leave an opening to stun them before you storm into their closet looking for a pair of pants to actually shit in.
Try me bitch. I’ll shit your pants.
by Kate PaTaylor Swift January 19, 2021
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'I will shit your pants', or variantly, 'I will piss your pants' is generalized, undefined threat, and is used in conversation.
If you tell me the earth is flat one more time, I will shit your pants.
by Omniv0r March 10, 2022
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