While watching the World Cup, a British lawyer (Robin Jacobs) was eating a Milkybar and noticed that the design imprinted on the bar includes a phallic shape that he believes is inappropriate for children. A spokesperson for Nestle, the maker of the bar, responded:
"Nestle is surprised and sorry to hear that Mr Jacobs thought the picture on the Milkybar resembles male genitalia, it is in fact an image of a horse’s head, the Milkybar Kid’s horse."
This Milkybar phallus pareidolia is getting LOTS
of press coverage, although it's not clear to me why since people have been talking about the 'rude' image on the Milkybar for years. Here's a Facebook page about it
from back in 2010. And if you do a google search, you'll find pages hypothesizing that the design is an attempt at subliminal advertising.
It seems that Nestle occasionally changes the design. For instance, below is an earlier design in which the Milkybar kid is petting his horse. But the phallic shape of the horse's head seems to have been a constant for quite a while.