Definitions for: Goody-goody

[n] a person who behaves extremely well in order to please a superior
[adj] affectedly or smugly good or self-righteous

Webster (1913) Definition: Good"y-good`y, a.
Mawkishly or weakly good; exhibiting goodness with silliness.
[Colloq.]

Synonyms: good

See Also: crawler, lackey, sycophant, toady