A variant of 'hows your father?' The origins of the phrase are obscure at best. To 'have a bit of hows your Minkton' implies that the individual in question has partaken in sexual activites that are far from what is considered simple love-making. Such complex maneuvres as inverted fisting, mongolian hate slamming and the 'human sock' would be considered some of the tamer moves used during a session.

the whale tail is the shape formed when a g-string rides up high over a womans trousers