a live wire

live wire

1. A wire through which electricity is running. The power cable was severed when the car hit the pole, and the end of the live wire fell onto the windshield.
2. A very lively or energetic person. Greg's such a live wire that it's tough to keep up with his stories!
See also: live, wire

a live wire

A live wire is a very lively and energetic person. She is a wonderful girl, a real live wire and full of fun. Note: A live wire is an electric wire or cable that has an electric current running through it.
See also: live, wire