A HuffPost editor discovered this gem of a restaurant while traveling in Bhutan. Needless to say, he decided to eat elsewhere:
We should point out that despite the seemingly comical confluence of language and imagery here, there is actually a strong tradition of phallus paintings in Bhutan, in which symbols of an erect penis drives away the evil eye and malicious gossip. And as a commenter points out, the word "cum" here most likely means "with" in this context. So there's that.