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!

live wire

A highly alert or energetic person. For example, Sally's a real live wire; she brightens up any gathering. This metaphoric term transfers a wire carrying electric current to a lively individual. [c. 1900]

(live) wire

n. an energetic and vivacious person. With a wire like Taylor in charge, things will get done, that’s for sure.

Common Names:

Name	Pronounced	Usage
Kelli	KEL-ee	English
Ruqayyah	-	Arabic
Baldomar	-	Ancient Germanic
Quetzalcoatl	kwet-səl-KWAH-təl (English)	Aztec and Toltec Mythology
Martina	mahr-TEE-nah (Italian, Spanish, Dutch), mahr-TEEN-ə (English)	German, Italian, Spanish, Catalan, Czech, Slovak, Croatian, Slovene, English, Swedish, Dutch, Ancien
Sans	-	Medieval Spanish