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police code for crazy one on the loose. Danger to property, danger to others, and danger to themselves...
you better call the cops before she goes 5150 on your ass!!
by elementau January 28, 2004
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Jul 25 Word of the Day
A jack off buddy (from 'cum' /'come', meaning 'semen', and 'companion'); a friend that you get together with for sessions of solo or mutual masturbation
Variant of: cumpanion (from 'companion' & 'cum'); jack off buddy & wank bud & JO buddy
Similar to: fuck buddy
My bf and I used to really get it on together, but now it's just the occasional cumpadre wank
by Gladys Pipps-Knightley May 14, 2007
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2
California police code for a "crazy". Also the name of Eddie Van Halen's home recording studio... and a name of a Van Halen CD.
No example is needed.
by VHFan November 13, 2003
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3
1. Police code for a person that is a danger to him/herself.

2. Often used by gangster and thugs as a person that is psycho enough to put his/her or anyone else's life on the line.

3. Can be a reference to a trance like episode were the person doesn't care about the law, life or anything around.
1. "I'm going to need assistance with a 51 50 on 12th st." - officer Doofy

2. Miss 5150 is a hot piece but I heard that she is straight up psycho and she is down for that BLU flag.

3. That slob better quit clowning or I'm going to have to go 51 50 on his ass.
by The EVIL BATMAN March 29, 2010
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4
California code for a legal involuntary 72 hour psychiatric hold.
We 5150'd him against his will and sent him over to the inpatient facility.
by Anonymous December 18, 2002
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5
A danger to self & danger to others
the people who define this before me are 5150s.
by Beny boo bear February 16, 2005
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6
police term for "Danger to themself & others" somehow adopted by motorcycle Stunters to mean "Crazy" even though the correct police term for Crazy is 800
check out the guy on the R1, he's straight up 5150!
by Mr Wall February 08, 2006
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