Looking for the definition of TOM? Find out what is the full meaning of TOM on stolberg-venwegen.de! 'Thomas' is one option -- get in to view more @ The Web's. Thomas " Tom " Means (birthdate unknown) was a Negro Leagues pitcher for several years before the founding of the first Negro National League. Means shows. Tom derives from Cockney Rhyming Slang and like so many other rhymes it has been shortened to just the initial word of the phrase e.g. bread and honey.