Z Cube 

Getting a Z Jay while playing Cube Runner on your iPhone.

Dude I was so totally getting Z Cubed until I hit a block and the Z Jay stopped.

Z Cube by ICBedthatJVB January 23, 2009

z-cube 

Typically white thug boy, most easily identified by the large cubic zirconia earring stud in one or both ears.

Dude, he's a straight up z-cube, the only thing he's missing is a fur-trimmed coat. Eminem, for example.

z-cube by sixhoursremain March 26, 2009