sweep the board

present singular third person sweeps the board · participle present sweeping the board · participle past swept the board · past swept the board

1. idiomaticTo win all the prizes in a competition.

   Spadillio first, unconquerable Lord! Led off two captive Trumps, and swept the Board. As many more Manillio forc'd to yield, And march'd a Victor from the verdant Field.

   1714, Alexander Pope, “Canto III”, in The Rape of the Lock (poetry)

   1 more example

   It’s always fun when something massive comes along and sweeps the board, giving everything else a thoroughly good kicking – think Titanic, The Silence of the Lambs, or Lord of the Rings. There’s a sort of deranged, gluttonous feeling, a perverse glee in seeing so many dreams trampled on by a massive cultural juggernaut.

   2015 February 23, “Oscars 2015: 10 things we learned”, in The Guardian (London)

2. card gamesTo take all of the cards.
3. idiomaticTo get enough votes in an election to gain all the seats.