Wiktionary
vb. (present participle of pop up English)
Usage examples of "popping up".
Then he and the old man worked the streams together, in the late autumn mostly, when early snows speckled with yellow aspen leaves lay on the ground, and the water was icily cold, and little gray, dipper birds flew up ahead, splashing through the water and disappearing in the deep places, walking along the bottom, and then popping up onto rocks again.
Even today, bits and pieces of the technology keep popping up in the oddest places, such as advertisements for new video game platforms.
If you've a lad missing, and hear of a lad popping up and causing a stir in the forest nearby, conclusions might be drawn, d'ye not think?
Ian asked, popping up again like a jack-in-the-box before his uncle could answer.
But wildcat Cozzano petition drives were popping up all over the place and so the media had to treat him as a serious candidate.
Elayna replied with a grin as mer heads started popping up and a large delphino slid in to support his weight.
It was this featurethat enabled the huge form of the B-l to dive within two hundred feet of the ground below and dash along at Mach 1, popping up to avoid major obstacles and diving down to stay under the protective ground clutter that would shield the bomber from enemy ground-based radar and fighters alike.
In the dark, every noise was enough to make Sister sit up and listen, her heart pounding and cold sweat popping up on her face.