Shitting your pants - Idioms by The Free Dictionary
shit (one's) pants (redirected from shitting your pants)
shit (one's) pants
1. rude slang Literally, to defecate while still wearing one's clothing. I need you to pull over the car right now, or else I'm going to shit my pants!
2. rude slang By extension, to be very surprised. When I saw that the magazine had published my letter to the editor, I practically shit my pants!
References in periodicals archive
The Francis Harold and the Holograms The Eagle Can't Fly with One Wing 7-inch on Going Underground Records will leave you shitting your pants
and cowering in the corner (but in a good way, ya know?
It's not caught up in this nonsense about taste that the rest of the show is; it's about shitting your pants