pop-eyed 
adjective
(Of a person) having bulging or staring eyes, typically through surprise or fear: Neil has a glimpse of the driver, pop-eyed, standing on the brakes...
- I'm pretty sure that if I ever actually meet Ben Hammersley he'll be a kind of wild-haired, pop-eyed genius type with a pencil behind each ear and a short attention span.
- He stops, to stare at the screen, open-mouthed and pop-eyed.
- The pugs, one gentle-eyed and adoring, the other pop-eyed with indignation, are reminiscent of the diametrically opposed judgments that have dogged Pullman's work, outlandishly exemplified by the Hitchens siblings.
- out of one's box
- out of one's depth
- out of one's gourd
- out of one's mind
- out of one's senses
- out of one's skull
- out of one's tree
- out of one's way
- out of (or beyond) reach
- out of order
- out of place
- out of plumb
- water chemistry
- water chestnut
- water chevrotain
- water chickweed
- water chute
- water cider
- water clerk
- water clock
- water closet
- water-closeted
- water clover
- watercock
- watercolor