Wipe/mop the floor with somebody
Definition 1 of 1
Pro Tip 1/3Figurative Meaning
This phrase doesn't involve literal cleaning, but rather beating someone in competition. 
During the chess tournament, Maya just wiped the floor with every challenger.
Pro Tip 2/3Informal Usage
It's a casual expression, not suitable for formal or serious contexts. 
At the office party's trivia game, our manager mopped the floor with us!
Pro Tip 3/3Humorous Tone
Often used jokingly to describe an effortless victory or to tease friends. 
You think you can beat me at ping-pong? I'll mop the floor with you!