Hurt locker

[Sarah]

noun. a period of immense, inescapable physical or emotional pain

[Britney]

According to the writer-producer Mark Boal “hurt locker” is a military slang that means “a bad and painful place.” He said during an interview that “EOD soldiers use it as a form of poetic understatement: If an improvised explosive device, or IED, goes off while youre trying to disarm it, the ‘hurt locker’ is likely to mean a white box draped in a flag and shipped home with full military honors.”

[Tanya Shivari]

noun. A figurative place where someone is said to be or will be, if they are getting or expect to be getting hurt or beaten.

[Rihanna]

Old military saying for someone who really f**ked up real good.

[PussyCat]

One of the frontrunners for Best Picture in Sundays Academy Awards ceremony is Kathryn Bigelows tense depiction of a U.S. bomb squad unit in Iraq, The Hurt Locker. The movies official website says of the title, In Iraq, it is soldier vernacular to speak of explosions as sending you to the hurt locker.
In fact, like so much American military slang, hurt locker (along with related hurt expressions) dates back to the Vietnam War.
By Ben Zimmer

[Donald Trump]

the designated person within a group of male friends who is given the important taste of taking (disarming) the [grenade] within a group of female friends

[Donald Trump]

When you are severely hungover from a night of heavy drinking and are forced to confine yourself to your room for nearly the entire day.
Hurt is in reference to suffering or struggling from excessive drinking and locker is in reference to being confined in a small, dark place to escape reality.

[Couch Potatoe]

1.An individual who is thoroughly skilled in taking down the unfortunate-looking girl of a group so that his friends may revel in the luxury of the other beauties.

2.The ultimate wing man

[Little_Girl]

By analogy from snot locker (military terminology for the nose), the heart is a persons hurt locker. Its the place where things that happen stay with us. Luckily, we keep joy in same place.
And what about Sgt James in the movie? Well, hes whats right about humans in a place thats all wrong. Im not here to fill his shoes, he says, Im just gonna do my best. To paraphrase Jules Winnfield: Check out the big heart in Will. ...even if there was only one thing he was still able to love.