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It’s someone who lies so much that it’s just a part of their life now. They usually starts at a young age and then it snowballs into their teenage and adult years. It sometimes isn’t even about big things. They’ll lie about anything just because they feel like it. Also when people expose them for being a liar the either lie more to get out of it or get extremely defensive.
Briana: Gavin is a Pathological Liar!
Me: What’s that?
Briana: It’s someone who lies so much that it’s just a part of their life now.
Me: Ok so why do you say that?
Briana: He always says he has so many girls but when I ask him about it he can’t think of anything.

Me: Have you tried just asking him about it?
Briana: I tried but he just gets all defensive!
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by HeBigLiar March 30, 2018
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2
Someone who lies consistantly with no regard of others
Erin Thomas is a pathological liar, because she will tell you something that she is going to do, but do the opposite.
by score program student March 08, 2013
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3
someone who lies constantly only for attention. they lie about the most simple things. exaggerates the situation to the point of fiction. is very nutty, and does need mental help.
megan friel lies constantly so we label her a pathological liar.
by megan friel needs help! December 19, 2006
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4
A person who lies constantly for attention or for their own gain

someone like GABBIE'S EX joke love u gabbie
Gabbie's ex is a pathological liar due to him lying almost all the time living a lie you could say
by Gabbies Fan August 19, 2018
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5
When someone is clearly lying but their state of mind, (usually mentally unstable) takes control and makes them lie. In some cases it can clearly be shown as a lie but the liar will continue to lie, ultimately digging a larger hole for themselves.
Owen: Benny I know you sent screen shots to that girl

Benny: False, i have nothing to do with her
Owen: *sends screen shots of the conversation

Benny: Wasn’t me, was someone else
Owen: Your being a pathological liar
by canderson January 09, 2020
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6
A person or President who apparently seems to believe their lies like it was true.
"But for those who say we haven't found the banned manufacturing devices or banned weapons, they're wrong. We found them"
-Source Washington Mail (verified).

Simon: "I cant help being a Pathological Liar :("
Jon: "Your Just like George W Bush. You know what the W stands for dont ya?"
Simon: "yeah Weapons of Mass destruction"
by azio November 08, 2005
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7
Donald Trump
Someone who keeps claiming that an event took place while it clearly didn't. Also, usually she/he constantly accuses others of lying.
"Donald Trump is the definition of a pathological liar
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by Numi the Second March 14, 2016
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