definition of
toss off

[1] #1 toss off v. 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". wn

[2] #2 toss off v. drink down entirely; "He downed three martinis before dinner"; "She killed a bottle of brandy that night"; "They popped a few beer after work". wn