Quick steps came down the hallway behind a bobbing flashlight.
Drive around, bobbing your head to whatever music you like.
Carmen arrived on stage with an energy that kept her ponytail bobbing.
A kids' life jacket that is too big can cause the child to have trouble keeping their face out of the water even though the life jacket is bobbing on the surface.
If you have several children at your house, why not have an old-fashioned apple bobbing contest?