What is Easter-egg?
1.
An unexpected aspect of a video game that is often hard to find and is not an aspect of story line.
In Grand Theft Auto Vice City there is a specific ramp, where if you hit it just right on your motorcycle you go through a window in to a room containing an easter egg. In this case the easter-egg is a statue of an actual easter egg.
See
2.
verb. When a technician of any variety has no idea where the problem really is and tries various solutions hoping to get lucky.
He's clueless, he couldn't troubleshoot a toaster, he's just easter-egging