There was a popping up of heads all over the school-room to get a sight of the picture.
It was her popping up now here and now there like a ghost that locoed me.
I don't want to send for an express-man and find you popping up.
I mean, no popping up through the floor or down the chimney.
Fungi of exquisite yellows and browns were popping up all about the wood.
I know I should hate to be lying in bed and have Gussie popping up like that.
I shall never forget his popping up his face at that window, and sending his dog in before him.
The members of the family kept on popping up among the mere acquaintances.
Some of the boys heard me also, and I could see the heads of all of them popping up in interest from the banks of the stream.
I'd be popping up every minute or so to see where I was and if I wasn't drifting too far out.