Phallus
https://en.wikipedia.org/wiki/Phallus
Phallus paintings in Bhutan
https://en.wikipedia.org/wiki/Phallus_paintings_in_Bhutan
"Phallus -Thunderbolt on side of house to Scare of Evil" by amanderson2 - http://www.flickr.com/photos/amanderson/2420971544/in/photostream/. Licensed under CC BY 2.0 via Commons - https://commons.wikimedia.org/wiki/File:Phallus_-Thunderbolt_on_side_of_house_to_Scare_of_Evil.jpg#/media/File:Phallus_-Thunderbolt_on_side_of_house_to_Scare_of_Evil.jpg