jounce(n = noun.event) jar, jolt, shock - a sudden jarring impact; "the door closed with a jolt"; "all the jars and jolts were smoothed out by the shock absorbers"
is a kind of blow, bump

   jounce(v = verb.motion) bounce - move up and down repeatedly;
is one way to go, locomote, move, travel
Sample sentences: The balls jounce

   To jolt; to shake, especially by rough riding or by driving over obstructions. [1913 Webster]

   A jolt; a shake; a hard trot. [1913 Webster]

jounce, v.tr. & intr. bump, bounce, jolt.

Etymology:
ME: orig. unkn.

VB  be agitated, shake, tremble, tremble like an aspen leaf, quiver, quaver, quake, shiver, twitter, twire, writhe, toss, shuffle, tumble, stagger, bob, reel, sway, wag, waggle, wriggle, wriggle like an eel, dance, stumble, shamble, flounder, totter, flounce, flop, curvet, prance, cavort, squirm, throb, pulsate, beat, palpitate, go pitapat, flutter, flitter, flicker, bicker, bustle, ferment, effervesce, foam, boil, boil over, bubble up, simmer, toss about, jump about, jump like a parched pea, shake like an aspen leaf, shake to its center, shake to its foundations, be the sport of the winds and waves, reel to and fro like a drunken man, move from post to pillar and from pillar to post, drive from post to pillar and from pillar to post, keep between hawk and buzzard, agitate, shake, convulse, toss, tumble, bandy, wield, brandish, flap, flourish, whisk, jerk, hitch, jolt, jog, joggle, jostle, buffet, hustle, disturb, stir, shake up, churn, jounce, wallop, whip, vellicate.