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An act, which a psycho person who will normally act first with violence at any means necessary to make sure he comes out on top
Damien went around to jack Jason for his gear, but Jason herd about it and went 5150 on him.
5150 by Strutha March 4, 2009
5150 is the tag used by New York Street Artist TMNK (The Me Nobody Knows). TMNK has not only sprayed his tag 5150 on walls and buildings around the world, but incorporates it in most of his paintings.

I asked TMNK why 5150 while hanging with him in Soho: "When I was homeless I overheard the cops use the code 5150 while evacuating the park of the homeless. The cop informed me that it meant "mentally disturbed" or a person that was a danger to themself or others."

TMNK said "Society is crazy" AND "i as an artist, am mentally disturbed by racism, hatred, poverty, and injustice."

I've been following TMNKs creations online (google TMNK), and his artistic musings are brilliant. This young genius is 5150.
Our children are killing each other over colors, thats 5150. - TMNK
5150 by Art Critic January 10, 2008
The practice of inserting a needle into one's penis hole with the intention of injecting a narcotic into the bloodstream.


Term coinage credited to Bouk and Al.
Dude, I heard that Bruno 5150s every night!
5150 by Bouk and Al December 1, 2004
Joe Biden and Nancy Pelosi along with the rest of the demoncrats are 5150 and trying to destroy our great nation. They must be 5150 to lock us down over COVID-19 but leave the boarder open to bring more disease and drugs into our country.
5150 by Bigdicdaddyfromcincinatti September 6, 2021
Don't borrow money for something you don't need.

From The rule of 5150: If you have 50 bucks and want to spend 51 bucks, don't buy it. You may never know what happens afterwards.
Elton wanted to buy that $51.00 "Cowboy Songs of the 1960s" CD collection and he only had $50.00 in his pockets. One second after he signed the papers at the corner payday loans check cashing place, the company he worked for declared Chapter 7 bankruptcy and laid off his butt on the spot. Now he may lose his truck and his house if he cannot pay back the money. He should have remembered the rule of 5150 instead of satisfying his jones of uncontrolled spending extravagance.
5150 by Usury September 21, 2008
Putting something up the dickhole to make the hole bigger...not a narcotic "Bouk and Al"
I 5150'd for 3 weeks and my dickhole got bigger.
5150 by oriolesazb February 14, 2005