jailhouse lawyerEnglishOxford Dictionary of Englishjailhouse lawyer /ˌdʒeɪlhaʊs ˈlɔɪə , ˌdʒeɪlhaʊs ˈlɔːjə / ▸ noun informal a prison inmate who uses a knowledge of the law to argue for their own release, advise other inmates on legal matters, or seek improvements to prison conditions: being a jailhouse lawyer kept me sharp academically.
EnglishOxford Dictionary of English
