It's a kind of intuition linked to sexual matters it makes the person guess people's sexual capacities among other things.

when you've done something so cringe you can't stop replaying it in your head and it stops you from getting on with your every day life

The ability for some to determine, by some supernatural force, whether another individual has performed a sexual act recently.

The sense that allows one to supernaturally determine what one would be like in bed. Men are generally more gifted with this talent than women.

The extra sense that humans have that differentiates them from animals and drags them lower!