..."Now the hell starts popping... 
Various 「Astounding Stories, August, 1931」
...By cleaning the potatoes beforepeeling, and popping all into the dog pot, a considerable saving iseffected in a year, and the dogs are benefited thereby...
Dinks, Mayhew, and Hutchinson 「The Dog」
... With popping eyes and fear-flattenedcrest, she clung to the thorn limb, shivering at the depths below; andit was the greatest comfort when her brother plucked up courage andcame sailing across to her...
Gene Stratton-Porter 「The Song of the Cardinal」
...See the black head come popping out, and the tiny fore legs...
Margaret Warner Morley 「The Insect Folk」
...Hence for several hours in the earlymorning of Christmas Day such a popping and banging of firearmsgoes on that a stranger might think a stubborn skirmish was inprogress...
Sir James George Frazer 「Balder The Beautiful, Vol. I.」
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