Refers to a male who is sexually promiscuous and/or has meaningless sex or other sexual activity with numerous women (or men).
May be used of a male who has a history of engaging in sexual activity with numerous partners (possibly simultaneously)
May be used of a male who dresses promiscuously (i.e. "like a douchebag") in order to attract sexual partners.
Female form: Slut
Chad: Look at Karl over there talking to Kelly. He's such a playa'.
Aaron: Playa'?! He's not a playa'; he's a clat!
"I just saw a complete clat outside with his collar popped!"