goody-goody

Definitions of goody-goody
  1. noun
    a person who behaves extremely well in order to please a superior
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    type of:
    ass-kisser, crawler, lackey, sycophant, toady
    a person who tries to please someone in order to gain a personal advantage
  2. adjective
    affectedly or smugly good or self-righteous
    Synonyms:
    good
    morally admirable
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