Further abbreviation of the well know acronym CBF (Can't Be Fucked). Common amongst Australian private school boys, where in one case widespread usage of the term led to the forming of the 'cb battalion'. Usually refers to a decision against school/social/relationship...general life committments.
CB is a term given to someone who runs from the area referred to as "Beckton" (East London)
This term "CB" stands for Come Beckton which meansyour head was flushed in a toilet
Jonathan "Ay you know CB got his head flushed in a toilet in Beckton"
Young Dizz "Yh man knows man knows whats good"