[plural] [noun] UK - a short piece of underwear worn below the waist; underpants; knickersa pair of pants(UK) Pants are US for trousers.The boy was so scared he wet his pants (= urinated in his clothes).(taboo slang) She pissed/shit her pants (= felt suddenly very frightened) when all the lights went out.To scare, frighten, bore, etc. the pants off someone is to scare, frighten, bore, etc. them very much.The way you drive scares the pants off me!
PANTS
Meaning of PANTS in English
Cambridge English vocab. Кембриджский английский словарь. 2012