A pathway in your mind that creates an illogical mindset to where you will lie unintentionally, and believe your own lies. After so many lies of this nature and years of them, you will no longer be able distinguish your own lies from other peoples as well.
Some of the symptoms of a pathological liar are: they lie to gain something, exaggerating things, they keep on changing their stories, and they live in a false sense of 'reality. ' If confronted, they act defensive and never admit that they are liars. Lastly, they hold no value for truth.
The term, taken from the widely known "pathological liar", is used to describe all those of an Indian race who, for some reason, still believe lying is morally acceptable. Because of this they lie all the time and are therefor pathological liars. To specify that the person's race is Indian, the common Indian surname "Patel" is used.
Person A: Have you met Niral? He said he's adopted.
Person B: Yeah, dude, that isn't true. He's a Patelogical liar.
Saying or doing anything to further your political career esp. When there's no truth involved.
Hillary is such a patholitical liar, she told us for a year there was nothing classified or wrong with her emails on her private server, the FBI investigation showed that this was false.