jostle

Short definition from Wiktionary

Verb

1. 1
   To bump into or brush against while in motion; to push aside.
2. 2
   To move through by pushing and shoving.
3. 3
   To be close to or in physical contact with.
4. 4
   To contend or vie in order to acquire something.
5. 5
   To pick or attempt to pick pockets.

Noun

1. 1
   The act of jostling someone or something; push, shove.
2. 2
   The action of a jostling crowd.