The area between the nutsack and asshole that prevent a man from shitting on his nuts. See durf.

't aint quite your arse and 't aint quite your bollocks it that bit in between

the perineum - the area betwwen the genitals and anus, male or female, although the term is said to orginate from the saying "It ain't pussy and t'aint ass..."

1. On a man, the area between the sack and the crack
2. On a woman, the area between the giney and the heinie

A taint is the stretch of skin found only on women between the pussy and the asshole. The term originated from the phrase "taint an asshole and taint a pussy." In contrast the skin between the scrotum and asshole on a man is referred to as the "gooch" and first known usage is a reference to Bob "the gooch" Guccione the owner/publisher of Penthouse. His employees and acquaintances couldn't quite decide if he was more of an asshole or a dick, a general consensus eventually formed that he was both and "everything in between," hence the gooch.

The spot between the balls and the butthole. A lot of people know this to be called the "gooch". This area stops your poo from hitting your goods when it drops out.

The fleshy fun-bridge between the balls and asshole. Pressure to this area during sexual foreplay may elicit a more powerful orgasm.