The phrase "googley eyes" means to make your eyes look big and silly, usually by widening them or looking surprised.
Sentences with «googley eyes»
We then added googley eyes to the ghosts and J drew a mouth on each of them. (rainydaymum.co.uk)
He started making googley eyes at the bag of Andes Mints I brought home from the... (flippindelicious.com)
J and I quickly cut out some face parts and hunted around to find out largest googley eyes and then set up a creation station for Monster Making and left J and T to create. (rainydaymum.co.uk)