We don't have synonyms for panhandle yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are manhandle, panhandler and pan handle.
(n) :
the handle of a pan; on a map, where a part of a political entity forms a longish extension such that it resembles the handle of a pan, as with a frying pan
"the three counties that form the Oklahoma panhandle were originally part of the Cimmaron Strip."
(v) :
to beg for money, especially with a container in hand for receiving loose change, especially on the street, and particularly, by a bum
(n) :
the handle of a pan; on a map, where a part of a political entity forms a longish extension such that it resembles the handle of a pan, as with a frying pan
"the three counties that form the Oklahoma panhandle were originally part of the Cimmaron Strip."
(v) :
to beg for money, especially with a container in hand for receiving loose change, especially on the street, and particularly, by a bum