Bob’

v. (bb) 1 move quickly up and down. 2 (usu. foil. by back, up) bounce or emerge buoyantly or suddenly. 3 cut (the hair) M a bob. 4 curtsy. n. 1 jerking or bouncing movement, esp. upward. 2 hairstyle with the hair hanging evenly above the shoulders. 3 weight on a pendulum etc. 4 horse’s docked tail. 5 curtsy. [imitative]