Raised in New Mexico, "pop" was used for all bottled soft drinks in the 1930s. I still say pop and icebox. My favorite pop, Delaware Punch, wasn't carbonated. Sigh! Long gone! Hide nor hair is widespread.
Cold as a well-diggers ass is universal in N. Am.
Shite is a spelling that escaped from Ireland and north of England. Sometimes heard in eastern Canada as noted by Guest, but is never caught on in the States.