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.
- have had a good innings
- have had it
- have had it up to here
- have had one's chips
- have had one's (or its) day
- have it
- have it away (on one's toes)
- have it away (or off)
- have it both ways
- have it coming (to one)
- have it easy
- have it out
- have its (or one's) uses
- have it your (own) way
- have kangaroos in the (or one's) top paddock
- have kittens
- havel
- haveless
- haveli
- havelling
- havelock
- havelock cap
- Havel, Václav
- have many (or other) irons in the fire
- have many strings to one's bow