plugged in

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective not comparable, of an electric device With it's plug properly connected to the electric plug socket.
• adjective colloquial, by extension Fully aware; in a state of keeping up with current information about a topic; engaged wholeheartedly in a task or cause; connected; informed; involved.
• verb Simple past tense and past participle of plug in.