pants suit or pantˈsuit noun (esp N American)

A woman's suit of trousers and jacket

(be caught) with one's pants down (informal)

(to be caught) at an embarrassing and unsuitable moment, in a state of extreme unpreparedness

(fly) by the seat of one's pants

(to get through a difficult or dangerous situation) by a combination of resourcefulness and sheer luck

scare, bore, etc the pants off someone (slang)

To scare, bore, etc someone to a great degree