The act of purposely breaking or destroying your
friends house/property, using such implements as eggs, whipping cream,
hockey sticks, and fire.
One who jobbles can be known as a "Jobbla". These
people are renown for their tendancy to jobble at house parties and the like.
It is considered poor etiquette to jobble whilst sober.
A game often played whilst jobbling is "Jobblecarton". This involves a carton of your selected juice being beaten around a room (preferably the kitchen), until sufficient damage has been done.