be bright-eyed and bushy-tailed

be bright-eyed and bushy-tailed

To be energetic and enthusiastic. After that nap, I am bright-eyed and bushy-tailed! As usual, the new interns are bright-eyed and bushy-tailed—just watching them is exhausting.
See also: and
References in periodicals archive ?
Why are we losing the next generation of teachers - that new blood for the profession which should be bright-eyed and bushy-tailed, full of promise and ambition?
Unfortunately, an awful lot of people have got it into their heads that they have to be bright-eyed and bushy-tailed 24/7.
But whether or not they'll be bright-eyed and bushy-tailed or a bunch of walking zombies in the morning could mean the difference in having a successful school year.