v. 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.v. To move (something) as though it were bobbing in water.v. To curtsy.n. A bobbing motion.n. A bobber.n. A curtsy.n. A bob haircut.n. Any round object attached loosely to a flexible line, a rod, a body part etc., so that it may swing when hanging from itn. The dangling mass of a pendulum or plumb line.n. The docked tail of a horse.n. A short line ending a stanza of a poem.n. The short runner of a sled.v. To cut (hair) into a bob haircut.v. To shorten by cutting; to dock; to cropv. Short form of bobsleighn. A shilling.n. A 10-cent coin.n. An unspecified amount of money.n. Abbreviation of shishkabob.n. A graphical element, resembling a hardware sprite, that can be blitted around the screen in large numbers.