na-na na-na boo-boo

{{North America|idiomatic|colloquial|childish|pejorative|taunt|often|humorous}} {{defdate|c. mid 20th century?}} A taunt or putdown, typically used to indicate that the speaker believes he or she has beaten the listener in a competition or is better in some other way or in a general sense; or an expression of satisfaction that the listener has received some supposedly deserved minor punishment or misfortune (a schadenfreude).