Someone who is good at telling lies. Bs'er (Bullshiter) Who tells a bunch of bullshit and is an expert at it because they do it so much.
"Jack told me you hated me so i dont like you"
"I dont hate you dont believe him....he is just an expert bs'er"
"Ok man. I believe ya"
by ConfusedOK September 3, 2016
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Somebody who has mastered the art of bullshitting.
Jane is an expert bs'er, She could bullshit her way out of anything
by bigJamiee September 3, 2016
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