A bobbing motion; a quick up and down movement.
A curtsy.
A bobber (buoyant fishing device).
Any of various hesperiid butterflies.
To move gently and vertically, in either a single motion or repeatedly up and down, at or near the surface of a body of water, or similar medium.
To move (something) as though it were bobbing in water.
To curtsy.
To strike with a quick, light blow; to tap.