usage: write 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"
2. toss off, pop, bolt down, belt down, pour down, down, drink down, kill, drink, imbibe
usage: drink down entirely; "He downed three martinis before dinner"; "She killed a bottle of brandy that night"; "They popped a few beer after work"