Dr. Libido’s Laboratory Share definition Flag The patch of skin between your balls and your anus. Scientifically, perineum also known as gooch. Hey mom! My gym teacher just made me take a trip to Dr. Libido’s Laboratory! Dr. Libido’s Laboratory by DoubD August 17, 2004 0 0 Get merch Get the Dr. Libido’s Laboratory mug. Buy Now — $32.95 See more merch