jaywalk

 
Pronunciation: /ˈdʒeɪwɔːk/

verb

[no object, with adverbial of direction] chiefly North American
  • cross or walk in the street or road unlawfully or without regard for approaching traffic: you jaywalked across a busy four-lane street

Derivatives

jaywalker

noun

Origin:

early 20th century: from jay in the colloquial sense 'silly person' + walk