Someone who fucks cadavers. Stemmed from the phrase mofo. A mofo is a motherfucker, and a cafo is a cadaver fucker. A cadaver is a dead body. The A is pronounced like in "cafe" or like in caffienated. But not quite. Because this is cafo. Not caffienated. Duh.
by Meg Malm Is A Cafo January 08, 2005