http://psychohistory.com/articles/heads-and-tails-money-as-a-poison-center/

“The Kwakiutl called their money objects yaklelwas, which means “bad things,” a word that has the same root as ‘dead bodies” and “intestines.” When they had their potlatch money-destruction ceremonies they said they were “wiping off the shame” from their body, like one wipes off shit, by giving money away or destroying it.(11)”

http://psychohistory.com/articles/heads-and-tails-money-as-a-poison-center/