niminy-piminy[nim′ə nē pim′ə nē]
niminy-piminy definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
fussily dainty or refined; mincing
Origin: imitative of mincing speech
niminy-piminy definition by American Heritage Dictionary
Affectedly delicate or refined; mincing.
Origin: Perhaps alteration of namby-pamby.