What does "jog" mean?

Additional senses

1. 2.To cause to jog; to drive at a jog, as a horse. See Jog, v. i.
2. 3.To move by jogs or small shocks, like those of a slow trot; to move slowly, leisurely, or monotonously; -- usually with on, sometimes with over. Jog on, jog on, the footpath way. Shak. So hung his destiny, never to rot, While he might still jog on and keep his trot. Milton . The good old ways our sires jogged safely over. R. Browning.
3. 4.A slight shake; a shake or push intended to give notice or awaken attention; a push; a jolt. To give them by turns an invisible jog. Swift.
4. 5.A rub; a slight stop; an obstruction; hence, an irregularity in motion of from; a hitch; a break in the direction of a line or the surface of a plane. Glanvill. Jog trot, a slow, regular, jolting gait; hence, a routine habit or method, persistently adhered to. T. Hook.