1 definition by bretsky4ever

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."
by bretsky4ever April 28, 2013
Get the shitstruck mug.