However, I think possibly what you call the right one is bobbing up.
It was that wretched Smith & Wesson bobbing up and down in the holster.
Behind him the logs, bobbing up and down, churned the water white.
I didn't want it bobbing up some time or other to cause either of us trouble.
"Why, it has been bobbing up and bobbing down," replied Elam.
That's why I'm bobbing ...