Verbs

(v)dash off, scratch off, knock off, toss off, fling offwrite quickly“She dashed off a note to her husband saying she would not be home for supper”, “He scratched off a thank-you note to the hostess”
(v)toss off, pop, bolt down, belt down, pour down, down, drink down, killdrink down entirely“He downed three martinis before dinner”, “She killed a bottle of brandy that night”, “They popped a few beers after work”