bob up

If they see us splitting the breeze down Lost River, they won't look for us to bob up from the opposite quarter to-morrow.

His raft began to bob up and down, and pretty soon a wave washed over it and wet Bumper's feet.

All would rise on their hind-feet and bob up and down, at the same time giving the peculiar cry.

"And every time I look at the picture of the fire it'll bob up before me and make me shudder," remarked Will.

Aunt Gwen is a character to be watched, and bound to bob up serenely, with the most amazing assurance, at unexpected times.