"pizazz" and "right in the pazazz"

[Douglas G. Wilson]

>... Note "right in the pazazas", which does seem to refer to the rear-end.

Why is "pazazas" thought to refer to the backside? It looks ambiguous to
me. Is there more?

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"Iowa City Daily Press", 9 Sep. 1908, p. 8(?):

<<I want to tell you, some of those proverbs are pazazas, all right.>>

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This one looks like "lollapaloozas", I think.

-- Doug Wilson