(historical) Any of a band of raiders or bandits who marauded the Scottish borders in the 17th century

(US) An officer of the state police.

plural of moss-trooper

plural of state trooper

plural of grouper trooper

(US, slang) A game warden responsible for protecting fish.

(informal, derogatory) Language police / (Canada, informal, derogatory, specifically) The Office québécois de la langue française (Quebec Board of the French Language)

(simile) To swear a lot; to utter many swear words.

(simile) Synonym of swear like a trooper

present participle of swear like a trooper