Meanings
Ellipsis of "I'm not the one to mess with", "I'm not the one you think I am" or some comparable expression.
A warning to an individual who has greatly offended one's dignity or has acted or spoken insolently.
Example Sentences
1
I'm not the one to blame for the mistake.
2
She accused me of stealing, but I'm not the one who took her wallet.
3
He may think I'm responsible, but I'm not the one in charge of the project.
4
You can complain to me all you want, but I'm not the one who made the decision.
5
She's upset at me, but I'm not the one who canceled the plans.