someone who is quirky and crazy but also one of the kindest and most beautiful people alive... loves talking hence the "clack" part, that is what their mouth is always doing
"She is such a clackey, i love her! But she never stops talking."
by popcorn_princess_07 May 17, 2009
1 more definition
One who uses Crystal meth.
That man in the big sweater and on the mountain bike is a clackey.
by Bethany & Tad September 30, 2007