2 definitions by Robby D 420

Top Definition
A handicapped child bearing a mental ailment. These conditions can include Down Syndrome or Tourettes Syndrome.
That slow, ignorant person must be a keyvone.
by Robby D 420 September 28, 2006
This is an acronym for heavy diss.
I called Keyvone a retard. That was very HD of me.
by Robby D 420 July 11, 2008

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