The Collaborative International Dictionary of English v.0.48:
Jog \Jog\ (j[o^]g), v. t. [imp. & p. p. Jogged (j[o^]gd); p.
pr. & vb. n. Jogging (j[o^]g"g[i^]ng).] [OE. joggen; cf. W.
gogi to shake, and also E. shog, shock, v.]
1. To push or shake with the elbow or hand; to jostle; esp.,
to push or touch, in order to give notice, to excite one's
attention, or to warn.
Now leaps he upright, jogs me, and cries: Do you see
Yonder well-favored youth? --Donne.
Sudden I jogged Ulysses, who was laid
Fast by my side. --Pope.
2. To suggest to; to notify; to remind; to call the attention
of; as, to jog the memory.
3. To cause to jog; to drive at a jog, as a horse. See Jog,