bob around
bob about

Then he was bobbing about, trying to see where the island was.

Then it had righted itself and was bobbing about below me.

Then came a growled command; lights began to bob and spread about.

He bobbed about, looking toward the main door of the room.

He bobbed about, delighted at being the centre of attention.

Flashing his torch out onto the water, Joe saw something bobbing about.

Soon they were all in the boat, bobbing about on the waves.

He did however become aware of yet another strange object bobbing about on the water.

It bobbed about on the water for some hours.

Through the window I could see the little boat bobbing about on the sea.