Mutton is the tough meat of an old sheep, lamb is the soft juicer meat of a lamb taken from it's mother early and force fed to make it fatter but less fatty and then slaughtered, usually between 120 and 150 days old
LOL tigger - no you must have some - young laydeees who walk around with low skirts/jeans with cropped tops and their stomachs hanging out (usually with a rather not attractive pierced navel) - we call them pigs in lipstick.....