1. A revolver. “Don’t get glommed (caught) with a rod in that tank (town). They’ll slap you in the can (jail) and throw the key away.”

2. An armed thief; a gunman. “We need two good rods to cover this joint. The owner is heeled (armed), and he is a tough giver-up (won't give up his money with-out a struggle).”



- american underworld dictionary - 1950