When KFC (Kentucky Fried Chicken) first translated its advertising slogan "finger lickin' good" into Chinese, it came out as "eat your fingers off."
Lady's fingers is another name for okra. This name only dates back to the early 20th century, and originally applied to a small variety of okra.
Until late in the 17th century, Americans and Europeans almost always used their fingers at meals, rather than knives and forks. As recently as 1897, British sailors were forbidden to eat with knives and forks because it was considered unmanly.