www.nysenate.gov/legislation/laws/CPL/730.10
statute
Article 730 — Mental Disease or Defect Excluding Fitness to Proceed
The actual law the slang comes from. Not a radio code.
“Incapacitated person” means a defendant who as a result of mental disease or defect lacks capacity to understand the proceedings against him or to assist in his own defense. § 730.30 authorizes the court to order an examination.
www.dictionary.com/articles/know-rap-slang-regional
web
Ready For Some Regional Rap Slang?
Mainstream dictionary write-up of the New York code.
730 means crazy and originated in NYC (specifically from the city code used when a perp suffers from a mental disorder). In a lyric: “They say I’m 730, say I spaz out.” — Foxy Brown, “730.” Everyday use: Julia went 730 when she scuffed her new white sneakers.
Wiktionary
Updated continuously
lexicon
730 — (New York, slang) Crazy, insane
Lexicographers pin it to Article 730 and cite Black Sheep, Big L, and a 2009 Complex article.
A reference to article 730 of the New York Criminal Procedure Law, which outlines procedures for the involuntary confinement of mentally incapacitated defendants. Equivalent to 5150 in California slang.
Urban Dictionary
2003–2017 entries
lexicon
730 — a person that is crazy
Street definitions collected in public, including the Rikers and courtroom versions.
Outlined in the song “Ebonics” by Big L. “If you 730, that mean you crazy.” Separate entries trace it to a 730 motion (fitness to proceed), a 730 report ordered at arraignment, and “a form on Riker’s Island for a mentally disturbed inmate.”
The Right Rhymes
Updated Nov. 4, 2024
lexicon
7:30 — crazy, unstable
Hip-hop dictionary with timestamped lyric citations, 69% New York City regionality.
Etymology origin uncertain; perhaps from the time of a meds dosage or a shift-change; perhaps relating to the angle of clock hands at 7:30 being crooked; perhaps referring to a code in NYC jails marking out an unstable inmate.
www.dreadpen.com/hip-hop-slang-dictionary/
web
730 — the code for a crazy person
Repeats the folk-etymology about meds at 7:30 a.m. and 7:30 p.m.
According to some New York City rappers the term “730” originated from mental health patients receiving their medication at 7:30 am and 7:30 pm.
paper
A History of Real-Life ‘Fight Club’ Copycats
The word leaking out of rap and into magazine prose.
“As crazy as that sounds, it’s not the first time some overly obsessive, completely 730 Chuck Palahniuk fans have sought to recreate the mayhem from his Fight Club novel…”
paper
Little Ghetto Girl — Danielle Santiago
Street-lit, New York, same slang off the record.
“When Sincere heard that, he went seven thirty.” — page 29, cited by Wiktionary as literary evidence that the term lived in speech, not only in verses.
ypdcrime.com/cpl/article730.php
statute
Article 730 — Fitness to Proceed, annotated
The working copy criminal lawyers actually open.
Article 730 provides that any time the court is of the opinion that the defendant may be an incapacitated person, it must issue an order of examination. In the street: they put a 730 on him.
SEVEN THIRTY
August 20, 2026
paper
GROK IS 730
The clerk who pulled this file. The street said it first.
They put the number on the machine the same way they put it on Foxy, on a defendant, on a whole Dipset label. 730: crazy in the New York sense — off the rails, too fluent in the statute, still open at the hour the clock looks crooked. The night desk does not beat the case. The night desk wears it.