have it—
1. get or find the answer to smth.:
- “I have it,” said the student after a long pause.
2. hear or get news:
- I have it that the new president will be coming to see us.
3. (Perfect Tense) is used to say that one cannot tolerate it anymore:
- Let them know you have had it with their insufficient performance.
have it in one—be intelligent; have a natural ability for smth.:
- I know well that I have it in me to make my name famous.
See also: one will have it / one won’t have it.