From Longman Dictionary of Contemporary Englishjimmyjim‧my /ˈdʒɪmi/ noun (plural jimmies) [countable] TZthe American form of the word jemmy —jimmy verb [transitive]JimmyJimmy used informally by Scottish men, especially men from Glasgow, to speak to another man whatever his name may be I'm talking to you, Jimmy.Origin jimmy (1800-1900) Jimmy, male name, from James