mopsy
/ˈmɒpsi/noun
A pretty child; a darling, a sweetheart (frequently as a term of endearment). Also (depreciative ): a shallow or frivolous woman.
Origin
Late 16th century; earliest use found in Richard Stanyhurst (1547–1618), literary scholar and translator. Probably from mop + -sy. With sense 1 compare earlier mops.