locked down

locked down

1. Having all the doors locked, with no ingress and egress permitted whatsoever. I'm sorry, sir, the building is locked down—no one is allowed in or out. The criminals ensured the building was locked down before they started opening the vault.
2. Of a computer or electronic device, put into a state of total protected from activation through passwords or encryption. The phone becomes locked down if you put in the wrong PIN more than three times. As soon as there is a security breach detected in the building, all the computer systems are automatically locked down.
3. In prison. What an animal—I hope he's locked down for the rest of his life. Unless you want to end up locked down like your former business partner, I suggest you start cooperating with us!
See also: down, lock
Farlex Dictionary of Idioms.

locked down

mod . [of a person] in jail. Mooshoo got himself locked down.
See also: down, lock
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • cul-de-sac
  • sac
  • set (someone or something) up
  • set someone up
  • lock on
  • lock on (to) (someone or something)
  • setup
  • not be somebody's day
  • be not (one's) day
  • on the latch
References in periodicals archive
Some of these prisoners say that others were locked down, as well, including Arabs, militia members, and abortion clinic attackers.
You're in the hole: a crackdown on dissident prisoners
As the hammer comes off the toe turn, your shoulders should be level and your trapezius and latissimus muscles locked down. At the same time your right leg starts turning, you must turn on the left heel and ball of the right foot.
A Technique Analysis of the Hammer Throw for Men & Women
London [United Kingdom], November 25 ( ANI ): London Underground said that Oxford Circus and Bond Street stations, which had both been evacuated and locked down amid initial reports of gunshots, had been reopened.
London's Oxford Street reopens post false alarm
Cascade Middle School in west Eugene was locked down Monday afternoon after a staff member located a suspicious device in a field on the grounds, police said.
BRIEFLY METRO
Wendth said police were called and the campus was locked down. He said school officials used e-mail and the school's intercom system to alert students of the threat and ask them to be cautious.
Threat at AUC shuts down campus
Staff at Long Island's North Shore medical centre conducted one last week and locked down the facility.
J-LO ALERTS
The school was locked down. "They are searching each student as they are getting on the buses," said Roger Wallace
Student kills teacher
He was booked into the facility and locked down. Within thirty minutes he was found dead or dying in his cell, having used his shoelaces to hang himself.
Failure to protect
"There is no danger to security as all the major security gates will be closed and the inmates will be locked down by the next shift from 9.30pm.
WARDERS SACK THREAT OVER PUNCTUAL WALKOUT
The 400-acre university was locked down after the unknown man opened fire in the early hours near a gym.
PAIR SHOT AT UNI
Schools Superintendent George Winterscheid locked down Florence's elementary, middle and high schools for about 40 minutes.
BRIEFLY
Mark Leech, editor of the Prisons Handbook, said he had spoken to staff at Whitemoor Prison in Cambridgeshire, which was locked down for a day following a small 'firework-like' explosion.
WAR ON TERROR : Jail blast designed just to embarrass
Christian Hosoi went back to court in Honolulu, HI where the judge ordered him to be locked down for 41 months.
Zzzz-boys
When the detainee arrived at the detention facility on a Saturday, he was locked down in his cell to keep him apart from the general population until Monday when facility classification staff arrived.
Intake and admissions
The twin-prop Fokker F27 was forced to circle overhead for an hour as the crew struggled to ensure the front wheel was locked down.
Plane is hit by runway scare