mop the floor up with someone

mop the floor up with (one)

1. To easily and thoroughly defeat one in a competition or contest. Primarily heard in US. Although he wasn't favored to win the race, Jack really mopped the floor up with the competition. Everyone was impressed the underdog team made it to the finals, but the returning champions mopped the floor up with them.
2. To physically beat or thrash one to the point of serious injury or incapacitation. Primarily heard in US. Tom got into a fight with some dude at the bar, but the other guy mopped the floor up with him.
See also: floor, mop, up
Farlex Dictionary of Idioms.

mop the floor up with someone

and wipe the floor up with someone
tv. to beat someone to a pulp. (Also with other verbs: clean, dust, etc.) Max whacked Bruno one and then mopped up the floor with him. One more crack like that, and I’ll have Sam wipe the floor up with you.
See also: floor, mop, someone, up
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • mop the floor up with
  • mop the floor up with (one)
  • mop the floor with (someone)
  • mop up the floor with
  • mop up the floor with (one)
  • (as) sick as a pig
  • be (as) sick as a parrot
  • (as) sick as a parrot
  • read like a book
  • read someone like a book