the part between your anal and nutsack
put your hand down your pants pick up your balls and feel that space between your anal and your balls ... dosent it feel good?
I managed to avoid being Noddied this year with that prick of a Christmas song, I'm now in the Seasonal Perineum waiting to avoid the new year's arsehole that is Jools Holland playing shit boogie woogie.
the act of peforming an almost superhuman uppercut to the taintal region to an unexpecting victim, both a swift and might blow, of course while screaming "PERINEUM POWER PUUUUUUUUUNCH!!!!" Also known as the triple P.