Any word used when you don't feel like saying a typical word of the english language. Can be used in place of "what's up", "yo", or any question or statement you have to respond to.

pronounced: yawn
Braxton: What's up Waldo?
Waldo: y0n dude

Lewis: Hey Steve, what's the diameter of Elizabeth's mold collection?
Steve: y0n
by platinumchains August 21, 2011
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