2 definitions by PoppyMann

Top Definition
The area of the sternum and ribs that is clearly visible when a woman, usually a Hollywood celebrity loses too much weight.
Did you see Posh Spice? She's lost so much weight you can see her xylobone

by PoppyMann June 04, 2007
An injected mix of methamphetamine and oxycontin.
That chick they found in the port-a-pottie OD'd from a Kentucky speedball.
by PoppyMann June 05, 2007
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