A bar mixer is a person who is responsible for preparing and serving alcoholic and non-alcoholic beverages in a bar. The crossword solutions for the term bar mixer include cola (4 letters), BITTERS (7 letters), TONIC (5 letters), SODA (4 letters), seltzer (7 letters), clubsoda (8 letters), gingerale (9 letters), and tonicwater (10 letters). These are all types of drinks that a bar mixer would be expected to know how to make and serve.