beat the pants off (of) (someone)

beat the pants off (of) (someone)

slang To defeat someone decisively in a competition. Despite using the word "pants," this phrase does not involve literally stripping off someone's clothes. The final score was 17-1? Wow, we really beat the pants off that team!
See also: beat, off, pant
Farlex Dictionary of Idioms.

beat the pants off

Also, beat hollow. Win decisively over someone, outdo. For example, When it comes to the Patriots' Day parade, Lexington beats the pants off the neighboring towns , or This beer beats the other brands hollow. Both phrases use beat in the sense of "surpass." Pants off has served as an intensifier since about 1930; the variant dates from about 1775.
See also: beat, off, pant
The American Heritage® Dictionary of Idioms by Christine Ammer.

beat the pants off someone

or

beat someone's pants off

INFORMAL
If you beat the pants off someone or if you beat their pants off, you defeat them completely in a contest or competition. He brought out a chess board. `Now, Smith, I'm going to beat your pants off'. The non-academic children usually beat the pants off the rest at sport and technical work.
See also: beat, off, pant, someone
Collins COBUILD Idioms Dictionary, 3rd ed.

beat the pants off

prove to be vastly superior to. informal
1990 Paul Auster The Music of Chance ‘Not bad, kid,’ Nashe said. ‘You beat the pants off me.’
See also: beat, off, pant
Farlex Partner Idioms Dictionary
See also:
  • beat the pants off
  • beat the pants off someone
  • beat the socks off (of) (someone)
  • beat (one's) pants off
  • lick the pants off (someone)
  • cut off at the pass, to
  • get someone's dander up, to
  • make mincemeat of somebody/something
  • make mincemeat out of someone/something
  • mincemeat