To have a rapid or sudden overpowering urge to shit when you least expect it.
A sudden urge to shit that makes you squeeze your buttcheeks together tightly to avoid shitting your pants. Usually accompanied by a rapid widening of the eyelids.
An immediate and overpowering need to take a shit.
When your eyes fly open, and your asshole slams shut.
Biff " What's wrong Marty?"
Marty " I just got shitstruck!"
Biff "That sucks bro, we are miles away from a toilet."
"I would have been here ten minutes ago, but I got shitstruck right before I left the house."
Mom "Why are the sleeves missing from that new t-shirt I bought you last week?"
Son "When I was out fishing, I got shitstruck."
Mom "Well put some toilet paper in your tacklebox!"
To have a rapid urge to shit when you least expect it.
Sudden urge to shit that makes you squeeze your buttcheeks together tightly to avoid shitting your pants. Usually accompanied by a rapid widening of the eye lids.
Biff: "What's wrong with you, Marty?"
Marty: "I just got shitstruck!"
Biff: "That sucks bro, we are miles from a bathroom."