jos·tle 
(jŏsəl)
(jŏsəl)v. jos·tled, jos·tling, jos·tles
v.intr.
1. To come in rough contact while moving; push and shove: jostled against the others on the crowded platform.
2. To make one's way by pushing or elbowing: jostled through the guests to the bar.
3. To vie for an advantage or position: jostled with several others for the job.
v.tr.
1. To come into rough contact with while moving: messengers who jostle pedestrians on the sidewalk.
2. To force by pushing or elbowing: jostled my way through the mob.
3. To vie with for an advantage or position: jostled a major shareholder for control of the business.
4. To shake or agitate: jostled the bag of food, and the dog came running.
n.
A rough shove or agitating movement.
[Middle English justilen, to have sexual relations with, frequentative of justen, to joust, from Old French juster; see JOUST.]
jostler n.