wipe the floor with (someone)

British, American & Australian, American

to defeat someone easily.

Alex is always really good in a debate, she'll wipe the floor with them.

• a whale of a bill
• a whale of a difference
• a whale of a job
• a whale of a party
• a whale of a problem
• a whale of a something
• a whale of a story
• a wheeler-dealer
• a whipping boy
• a whip-round
• a whistle-blower
• a whistle-stop tour
• a white elephant
• a white knight
• a white lie
• a whizz-kid
• a whole new ballgame
• a whole new ball game
• a wide boy
• a wild card
• a wild-goose chase
• a wise guy
• a wish list
• a witch-hunt
• a wolf in sheep's clothing