■ plural noun
1》 Brit. under~ or knickers.
2》 chiefly N. Amer. trousers.
3》 Brit. informal rubbish; nonsense.
Phrases
catch someone with their ~ (or trousers ) down informal catch someone in an embarrassingly unprepared state.
fly (or drive ) by the seat of one's ~ informal rely on instinct rather than logic or knowledge.
scare (or bore etc.) the ~ off someone informal make someone extremely scared, bored, etc.
Origin
C19: abbrev. of pantaloons (see pantaloon ).