Have a good mind to do something

Pro Tip 1/3

Indicates a strong inclination out of frustration or annoyance but not a final decision.

After waiting for an hour, I had a good mind to cancel the meeting.

Pro Tip 2/3

Expresses a thought one is unlikely to act on, showing hesitation rather than intent.

I had a good mind to throw out his old clothes, but I knew he'd be upset.

Pro Tip 3/3

Common in spoken English and informal texts; typically not used in formal writing.

She messed up the order again, and I had a good mind to complain to her manager.