1) Adult male 2) BBC television sketch show 3) Big ox 4) Big rough lug 5) Bouncer type 6) Bull 7) Bully or boxer 8) Fisticuffer 9) Husky fellow 10) Professional boxer 11) Pugilistic muscleman 12) Samson 13) Strapper 14) Strong person 15) Tough 16) Tough guy Found on https://www.crosswordclues.com/clue/bruiser
• (n.) A boxer; a pugilist. • (n.) A concave tool used in grinding lenses or the speculums of telescopes. • (n.) One who, or that which, bruises. Found on http://thinkexist.com/dictionary/meaning/bruiser/
Bruis'er noun 1. One who, or that which, bruises. 2. A boxer; a pugilist. R. Browning. « 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 speculum... Found on http://www.encyclo.co.uk/webster/B/105
noun a large and strong and heavyset man; `he was a bull of a man`; `a thick-skinned bruiser ready to give as good as he got` Found on https://www.encyclo.co.uk/local/20974