shit (one's) pants(redirected from shit one's 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!