bucket of blood

noun2

1. •
   (US, slang) A rough, crudely furnished bar where fights may be expected.

   • At the Bluetick Tavern, a bucket of blood hangout on the outskirts of Little Black Water, a haze of smoke clung to the ceiling joists. — 2015
2. •
   (no longer used, old-fashioned) Former name of bloody mary (“cocktail”).