keelhauling

noun2

1. •
   The act by which a person is keelhauled.

   • ‘We was a-talkin’ of keel-hauling,’ answered Morgan. / ‘Keel-hauling, was you? And a mighty suitable thing, too, and you may lay to that. Get back to your place for a lubber, Tom.’ — 1883
2. •
   (slang, no longer used) A thorough thrashing or mauling; rough treatment.