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3.
The trajectory of a pedestrian illegally crossing a large thoroughfare against incoming traffic.
When you cross a street with lots of incoming traffic, you will walk parallel to the flow of traffic and in a direction opposite to it. Then, when you see an opening, you will turn and dash through the other side anticipating (hopefully) the incoming vehichles. Seen from above, your trajectory takes the shape of the letter J, hence the expression "Jay walking."
by Antidogma March 16, 2011
 
1.
When you cross the street through the middle and not at the intersections were you are supposed to. They call it Jay walking, because back in the 1900s in New York people new yorkers would call call tourist jays, and since jays were really impressed by all of the tall buildings they would walk up to the middle of the street to see how tall they were, therefore the word Jaywalking emerged
Jaywalking is ilegal
by Cacahead305 August 31, 2009
 
2.
When you cross a street and you are not suppouse to, can be in the middle of a block or in red light.
I don't do jay walking in that street, is very dangerous.
by agrokrutoi August 13, 2009
 
4.
When you just smoke a marijuana cigarette (jay) and have the sudden urge to walk throughout the neighborhood.
After John got a nice hit off of the joint, he went jay walking around the community.
by MikeHoncho1234 July 13, 2011
 
5.
v. To make a pass at a girl you know your buddy has an interest in. Essentially, a G-rated version of "cock-blocking" that can be used with equal effect in more polite company.
Dude #1: "Hey, I totally scored digits from that chick Suzy that always hangs out at Hoffer's".

Dude #2: "Wait, what? You knew I totally dug that chick. I'm calling a jay-walking infraction.

Dude #1: "Snooze you lose, chieftain".
by lakerfan67 May 31, 2011
 
6.
When a nigger walks out of the store with a fresh pair of J's on.
I saw Demarcus jaywalking out of the store with some stylin' new shoes on.
by D'pez Poopsie February 25, 2014
 
7.
A serious offence of severity similar to murder, rape and manslaughter.
The bored Amsterdam policeman - in a city world famous for its drugs, prostitution and maffia activities - sternly reprimanded the otherwise law abiding citizen for jaywalking across the empty road.
by pianodon July 13, 2010