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

1. In Pro Figure Skating, it's the preffered area for placement of the male skating partner's hand when lifting his female partner above his head.

2. The jagged or wavy line between your marble bag and balloon knot.

the space between the vagina and the rectal opening

The part of a woman that allows her to be picked up like a six pack