Mating ritual in which it is customary for the male to lie and the female to regret.

Having shared a one-off sexual experience together, the male goes on to convey a series of fabulous lies to his friends and colleagues before the story is aired by the female. Subtle suggestions about the female's mental health and factual reliability being introduced from the outset serve to bolster the male's account.

Similarly, the female will provide a perfectly credible defence by insisting to those ready to listen that she was drunk at the time and wouldn't dream of such a transgression under normal circumstances.

Often followed by several identical encounters before marriage.