Bruiser

Bruis·er

Bruiser

n.
  1. One who, or that which, bruises.
  2. A boxer; a pugilist; hence, a strong, tough person; -- often used in the phrase big bruiser.
    Like a new bruiser on Broughtonic sand, Amid the lists our hero takes his stand.
    — T. Warton.
  3. A concave tool used in grinding lenses or the speculums of telescopes.