settle someone's hash

settle (one's) hash

1. To subdue, suppress, or overpower one who is making trouble. The former Navy officer settled the would-be assailant's hash in a matter of seconds, disarming him and pinning him to the ground in just two quick moves.
2. To take the force, energy, or spirit out of one's argument or position. Her comment about the achievements of various women of color really settled that internet troll's hash. The professor's retort seemed to settle Dan's hash.
See also: hash, settle
Farlex Dictionary of Idioms.

settle someone's hash

Subdue or get rid of someone, deal with a troublemaker, as in If John starts another argument we know just how to settle his hash. This term, dating from about 1800, uses hash in the sense of "a mess."
See also: hash, settle
The American Heritage® Dictionary of Idioms by Christine Ammer.

settle someone's hash

deal with and subdue a person very forcefully. informal
See also: hash, settle
Farlex Partner Idioms Dictionary

settle someone's hash, to

To subdue; to get rid of someone or something. The “hash” in question is the mess that has been made of things. The term has been around since at least 1800. “We therefore mean to make a dash/To settle fighting Europe’s hash,” wrote T. G. Fessenden (Pills Political, 1809). Settling someone’s hash is not quite the same as making mincemeat of someone, despite the superficial similarity (both involve chopped meat). The latter implies complete demolition, i.e., chopping up.
See also: settle
The Dictionary of Clichés by Christine Ammer
See also:
  • settle (one's) hash
  • settle hash
  • settle someone’s hash
  • hash up
  • hash out
  • hash over
  • settle someone's hash, to
  • hash pipe
  • heavy hash
  • flash the hash