One who is affectedly sweet, good, or virtuous.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "goody-goody" in a sentence
"And I didn't want him just to come across as a goody-goody."
""I'm not swayed by goody-goody later deeds," she says."
"This time almost no announcer tried to play the goody-goody."