Definition of nancified in English:

nancified

Pronunciation /ˈnansɪfʌɪd/

adjective

(also nancyfied)
slang, derogatory
  • Of a man: effeminate. Of a thing: effete, artificial; fussily over-elaborated.

Origin

Early 20th century; earliest use found in Davenport (Iowa) Daily Republican. From nancy + -ified.