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defined by the famous osama. originated in east finchley.
when your name is called out in the school register this is what u reply. a word which dignifies a sign of respect for the teacher and all other classmates. understand that u gotta say it in the original duck fashion dat made it so famous
can also be used as a substitute instead of a sneeze
You: aiyo carlos
Me: ye
You: whats dat chick u chopped the other day she a good beat?
Me: YEFAA u dun kno
by Bossdon sleeezy beezy fo sheez January 10, 2012
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