The act in which a facebook user suddenly becomes crazy and A: Deletes all of their contacts, that they once liked, B: Delete every comment and or status post they've ever had on their wall until it is completely blank. or C: Deletes their entire account only to open it again 2 weeks later.

Such reasons could be cause by lack of "real" life activities, lack of "real" friends and or lack of girlfriend/boyfriend. No one knows for sure the cause of the facebook meltdown, but I'm sure we've all known at least one person to have suffered from it.
Joey had a facebook meltdown last week, he resent me a friend request because he deleted all of his friends.

Joanna had a facebook meltdown, she's deleted everything from her wall.
by turn n burn November 24, 2010
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Getting so intoxicated that you become unable to form rational thoughts thus completely embarassing yourself in front of friends and/or strangers.
Chris drank a fifth of Jack by himself and had a nuclear meltdown, falling down in the street and cutting his hands open then stealing a package of string beans from a deli and throwing them at random strangers.
by Johnny Riviera January 9, 2005
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The ensuing chaos when an organisations leadership team receives a lower than expected Net Promoter Score.

Characterised by outpourings of blame, finger-pointing and clutching at straws.
"I tried to walk into the boardroom but the whole leadership team was right in the middle of an NPS Meltdown. Bill from Accounting had pissed his pants, Randy from Marketing was hyperventilating and while Jane from Customer Service looked like she was about to dive out the window!"
by ecomm-lord August 24, 2022
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Freaking out or losing your mind about something that really is not that important. Basically getting stressed out about things that you have no control over. Having a mental breakdown in your mind and over reacting to shit that is stupid. When you are thinking to hard about something and you end up having a breakdown about having a breakdown. When you are trying to download a huge video file and you are uploading a 12 song album and your friend in the other room is uploading and adobe file and the internet crashes.
She had a media meltdown when she lost her 2 drives of digital juice. She had to sit in the edit bay all day while she was line producing and could not get the revisions of the rundown done in time.
by barfjack July 21, 2011
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When someone has a temper tantrum in front of others and completely changes the mood in the room from fun to awkward.
We were just hanging out laughing and drinking one of my buddy's girlfriend's friend freaked and decided to have a "Tuna Meltdown". She's truly is a "Buzz Killington".
by ryguy61 July 6, 2009
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1. A catastrophic failure condition that exists when one needs to SCRAM or STOP the washer machine after the water spills out onto the floor from a lose drainage hose or other operational malfunction that causes its H2O content to breach the machine's containment vessel and thus spilling out onto the floor. An secondary condition known as China Syndrome can also become evident if the said washer machine is located on an upper floor of your house.
2. A rare condition of when a dryer can get into such a state when one eventually notices burn holes in their clothing upon removing them.
That idiot up on the 3rd floor must have had laundry meltdown last night because my bathroom and closet area looked like f*ing Niagra Falls, and the neighbor form down stairs who speaks Chinese came banging on my door screaming and yelling obscenities at me in two different languages! It was an absolute China Syndrome.
by Mr. Fuku Shima April 11, 2011
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