this is due to insecurity.
girl1: the dude who plays harry potter bought me this bracelet!!!
girl2 to girl3: she is such a liar!
1. someone who represents one set of facts, while knowing that a
different set of facts prevails;
2. (popular) someone who having led others to believe one thing, does
a different thing; a promise-breaker;
3. (colloquial) someone whose general conduct, level of reliability,
relationship with truth, and past preformance leave him or her with
little to no credibility in peoples' opinion;
Ministers Stephen Harper and Brian Mulroney, along with a pissant
Minister of Defence Peter MacKay.
One word where the liar has the intention to advantage themselves to the detriment of others. “I will clean my room today.”
One word where the liar has the intention to advantage the recipient of the lie without any detriment to the liar. “You did a very good job.”
One word where the liar has no intention to advantage or disadvantage anyone. “There is a Santa Claus.”