have it knocked

have it knocked

To know that something will be successful. Well, I have it knocked if my biggest rival isn't going to be running in the race.
See also: have, knock
Farlex Dictionary of Idioms.

have it knocked

Slang
To be certain of success: "He knew he had it knocked after he saw a rough cut of Chinatown" (Time).
See also: have, knock
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • knock back a drink
  • knock dead
  • knock 'em dead
  • knock (one) dead
  • knock somebody dead
  • knock someone dead
  • knock (someone or something) out of (someone or something)
  • knock about with (one)
  • bang/knock your/their heads together
  • knock in