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A conversation ender. Used at the end of a statement when a person in the middle of a conversation wishes to stop talking about it immediately.

Coined from the TV show LOST, where at the end of every episode, the word "LOST" flashes across the screen, ending the episode very abruptly or on a cliffhanger.
Guy 1: "So I totally hooked up with that hot blonde last night at the party. I wish I had gotten her number."
Guy 2: "Dude, that was my cousin. LOST."
LOST. by Schlutz April 1, 2009
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n. television series

Everybody loves it, nobody gets it.
Have you seen Lost?
It's a great show but I honestly don't get it.
Lost by beingboredsucks January 15, 2012
when you cant figure out where something went
who she lost her soul.
lost by emojilover129 June 1, 2017
Quite simply the best TV show ever created. It's about a group of survivors who crash land on a tropical island and face things like getting attacked by polar bears and "the Others". It's way better than it sounds. Aired for six seasons on ABC.
Person one: Did you see Lost last night?

Person two: HELL YES.
LOST by oceanic815 November 13, 2012
the best serie of all times.
lost serie time
Lost by arzach February 18, 2009
That hopless feeling you get when someone has ripped your heart out of your chest and stomped on it with combat boots.
Symptoms include: walking and/or driving around aimlessly, dull eyes, panic attacks and/or random fits of crying.
Jen: Hey, Sam. What's up with Mark?
Sam: Jackie ripped out his heart. That boy's lost.
Lost by H17l3r January 16, 2008
A word that describes a person who lost the greatest treasure they ever had and fell into a pot of misery because of
Lost by Rollin thunder November 20, 2018