This is the ideal penis size according to women… (Picture)

Ah yeah, that old chestnut...

Researchers from the University of California and the University of New Mexico have asked 75 women to pick the penis size that they prefer for a long-term partner...and for a one night stand. Here are the results... Out of the possible 33 phallic shapes, the average length chosen for a long-term partner was 6.3 inches, whilst women looking for a one night stand chose a length of 6.4 inches. There you go... Image via - Thingverse