People say weird things in New England too. A rubber band is an elastic. A milk shake is a "frappe" (if you ask for a milk shake, you get something you don't expect, unless they're used to dealing with tourists). "Wicked" is an amplifier, meaning "very" or "really". An aunt ('ant') is an ahhhhhhhhhhhhhhhhhhnt (British-style).
And they call soda "tonic", which causes some confusion with tonic water (the drink mixer.