Short for Jehova's Witness, a denomination of Christianity.
Mark is a Jovo. Nice bloke though.
by Ian Chode February 14, 2005
religious freaks who think it funny to fool you into reading liturature with dylon song titles only for you to realise that they are boring nutters with fuck all else better to do
dont answer the door love there are fucking jovoes out there
by lolipop June 17, 2006