I. | ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ adjective
Etymology: reduplication of goody (III)
: sentimentally, affectedly, or unctuously good
a goody-goody boy — Havelock Ellis
II. noun
: a person who is goody-goody
her … generous nature had nothing in it of the goody-goody — Van Wyck Brooks