We found 3 dictionaries that define the word shit one's pants:

General (2 matching dictionaries)

1. shit one's pants: Merriam-Webster
2. shit one's pants: Wiktionary

Slang (1 matching dictionary)

3. shit one's pants: English slang and colloquialisms used in the United Kingdom

Definitions from Wiktionary (shit one's pants) ▸ verb:  (vulgar, idiomatic) Synonym of crap one's pants ▸ Words similar to shit one's pants ▸ Usage examples for shit one's pants ▸ Idioms related to shit one's pants ▸ Wikipedia articles (New!) ▸ Words that often appear near shit one's pants ▸ Rhymes of shit one's pants ▸ Invented words related to shit one's pants