Verb
swear like a trooper (third-person singular simple present swears like a trooper, present participle swearing like a trooper, simple past swore like a trooper, past participle sworn like a trooper)
(simile) To swear a lot; to utter many swear words.
Synonyms: curse like a trooper, swear like a pagan, curse like a pagan, swear like a sailor, curse like a sailor, swear like a cutter