Someone who bullshits or lies about everything he or she says. They will also ditch you and make up an excuse why they weren't there.
Joey: (on the phone): Hey Billy what time are you going to meet me at the bars?

Billy: I should be there after I get back from the game.

:::hangs up:::

Joey (to Penny): He better not be lexter dextering again!
by Yazthee12 October 29, 2007
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