|1.||har har hoo|
A derisive and cynical laugh with particular emphasis on the 'hoo' to indicate a particularly snide and sarcastic rejoinder to a bad joke or express deliberate insensitivity towards bad news.
A ridiculous response to a ridiculous stimuli.
News Reporter on TV: "Anna Nicole's baby's paternity is being challenged..."
Viewer: "har har hoo! Who da guessed it? Guess jeans!