A person who wins by deception, by sharp practice, is a cheat and generally a low-life swindler. Someone who cannot be trusted, particularly at business.
That mate of mine is a complete chiseler. As a friend I invested £10k in his insurance business only to discover it is an illegal pyramid scheme and I've lost the lot.
The small area of skin between a woman's cunt and asshole where a guy's balls slap against when he is fucking her
Boy, Mary's biffing plate got a good hammering last night