Obscure. Speculative. Panhandling always seems to involve a container for receiving loose change, so perhaps referring to a small, handled pan or to the container as the pan and the arm[s] holding it as the handle.
panhandler (plural panhandlers)
- One who panhandles; an urban beggar who typically stands on a street with an outstretched container in hand, begging for loose change.
- A bum.