KiDD-SicK

A slang used for saying the kid is sick example if a teenage basket ball player dose a dunk U say The KiD is sick.

Second definittion is a name of a Teen urban Uk Rapper that is ill at Emceeing and has had many underground hits.

If a kidd dose a back flip u say thats Ill or sick

so KiDD-SicK kinda shortens it