One time, a friend who was very into barbecue came over and seasoned some raw chicken in my kitchen before I put it on the grill. When he was done, he sucked the spices off of his fingers, one by one, before washing his hands of the chicken juices.

I realize that's not as egregious as this picture, but the man was a medical professional.

Chicken came out pretty well, though.

edit: fix typo.