Contained are some definitions of obscure words in the songs. I don’t assume you don’t know them already.

bird’s-eye maple- a griffe; an octoroon
blind billiards- crazy

bludging- pimping, vicarious living
Boontling- a secret language developed by residents of Boonville, CA in the late 1800’s to confuse outsiders
Brannock device- foot measurer used in shoe stores
coolie mud- opium
corduroy road- early plank road for automobile travel
corn coffee- moonshine
the Crosso- King's Cross neighborhood, Sydney

Dirty Half-Mile- Darlinghurst Road, Sydney

eggy soldiers- thin strips of toast dipped into a soft-boiled or coddled egg
fortified wine- strong red ink, e.g. Night Train
gingerer-a prostitute's hidden accomplice who steals a customer's wallet during sex

guttersnipe- a street waif; a homeless lad
hardscrabble- marginal, barren
headache wine- wine extracted from poppy petals
the heelch- everything (Boontling)
hornin’ zeese-drinking coffee (Boontling). For all other terms in this song please consult your copy of Boontling: An American Lingo by Charles C. Adams
Incubators- an attraction at Steeplechase Park where one could view premature babies

it's a monty- definitely
jack deer- deer shot while shining a bright light at them
jake- Jamaican ginger extract; very popular during Prohibition

larrikin- street lout
livermush- a Carolina cousin of scrapple, liver being a main ingredient
Luna Park- an amusement park on Coney Island
Melungeon- an Appalachian of Romany/ Eastern descent
midnight baby- an illegitimate child
Miss Emma- morphine
muggles- marihuana
Nickel City- Buffalo, N.Y. (hobo)
ope- opium
pickle punk- a fetus, preserved and bottled for exhibition
po’ joe - blue heron
red biddy- cheap red wine
Rosa Maria- marihuana
sangaree- wine mixed with brandy and fruit
scrapple- the undisputed king of breakfast meats
slummer- one who seeks excitement and pleasure among the poor
stand pappy- to assume paternity of a child
Steeplechase(Park)-an amusement park on Coney Island
sweet Lucy- morphine
tadago pie- a pie filled with spices and cow fetuses

Tillie and Kate- rival gangleaders in 1930's Sydney
2/10- a bad situation (hobo graffiti)
white eye- moonshine
white horse Charlie-heroin
Zip What-Is-It- the original “missing link” sideshow attraction at Steeplechase Park