We found one dictionary that defines the word be caught with trousers down:

Miscellaneous (1 matching dictionary)

1. be caught with trousers down: Idioms

▸ Words similar to be caught with trousers down ▸ Usage examples for be caught with trousers down ▸ Idioms related to be caught with trousers down ▸ Wikipedia articles (New!) ▸ Words that often appear near be caught with trousers down ▸ Rhymes of be caught with trousers down ▸ Invented words related to be caught with trousers down