A term similair to "FUBAR" It is when a item of clothing get such a serious crease or a number of creases that can never be removed.
You take a slightly creased shirt from a bag, put it on and wear it for a whole day, then wear it to a disco that night. When you return home you roll it up and throw it on the ground. In the morning your shirt is officially "CBAR" or "Creased Beyond All Repair"