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A heart stopper. Someone that completely makes your heart stops in awe.
Man, that Emma girl, is a total flatliner.
by CxmeronL49 April 08, 2017
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Apr 14 Word of the Day
That moment when you think a bug is crawling on you, and it turns out to be true. LMD

A FML moment. LMD

Pretty much you go, JUST LET ME DIE!

Wish this never happened. LMD
by misspinkyperfectionnnll July 09, 2011
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3
Someone severely lacking in personality; a person who kills any festive mood with their utter dullness
Dottie was having a good time, until she got stuck with that flatliner.
by D*Tice June 08, 2003
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4
someone who is boring, unenergentic, tired, sleepy.
Dont be a flatliner! Here's a beer, c'mon lets get drunk!
by DanteM August 03, 2005
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5
A person who has died, referring to the heart monitor "flat lining", as can be seen in any film featuring an emergency room death.
When Ray makes love to a women, she may say, "it was like sex with a flat liner!"
by Mark J. February 23, 2006
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6
A person whos eyebrows lack an arch.
Gentleman: Hon, you should really pluck your eyebrows, you look like a total flatliner.
Woman: Thanks, Hon.
by LadyGagum November 26, 2009
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