(video games) A situation (sometimes an extra stage) in which the player faces all of the bosses of the game, one after another.

plural of boss rush

plural of boss key

(Internet slang) skillfully, confidently

plural of boss boy

(South Africa, historical) The black leader of a gang of miners.

A maritime foreman who goes about from place to place, rather than supervising one particular location.

plural of walking boss

Alternative form of pit boss

(mining, dated) A direct overseer of laborers in a mining operation.