brannigan noun2 •brawl, fightThe second round was a brannigan from bell to bell. Both men went out for blood and both got it. — 2005 •binge, bender, booze-up (where alcohol is drunk)In the last decade of his life he went for long stretches without touching booze. Then stresses and strains would build up inside him and he would embark on a brannigan. — 1977 formsbrannigans