the Razz: Simon says.
SIMON COWELL is rarely lost for words and now he's been voted the nation's biggest know-it-all.
In a survey conducted for trivia board game, Bezzerwizzer, the Sony BMG boss trounced the competition, scooping more than half the votes.
More than 1000 people voted and among the other stars were cocky radio DJs Chris Moyles and Johnny Vaughan, Top Gear presenter Jeremy Clarkson and Janet Street-Porter.
According to the survey, more than 60 per cent of people love to see know-it-alls come unstuck by being proved wrong.