have it in one(redirected from have it in)
have it in (one)
To have or possess a specific skill or trait. Wow, Alice is a beautiful singer—I didn't know she had it in her. Honestly, I'm not sure he has it in him to deal with this.
See also: have
have it in one
Have the ability to accomplish something. As Sir Arthur Conan Doyle put it in A Study in Scarlet (1887), "I know well that I have it in me to make my name famous."