Mephemism 

The complete inverse of a Euphemism: replaces appeasing discriptive words with egregiously harsh descriptive words.

Regular Sentence: Look at that shiny red bike!

Sentence using Mephemisms: Take a gander at that bike possessing the same hue as the vascular juices spewing forth from my pupils, ruptured and bleeding from exposure to its obnoxious sheen!

Mephemism by Japunda Thornato October 8, 2005

Mayhemism 

Paintings, portraits, photography, Computer Work that portrays a glamourous idividual who is usually morbid, or tainted.
www.myspace.com/wickedalliteration

"Man, that Photograther takes a lot of glamourous pictures of coke heads and heroine addicts"
"Yup, that's Mayhemism."

Mayhemism by May .M. August 25, 2006

Malphemism 

The act or an example of substituting a derogatory, offensive, or blunt term for one considered mild, indirect, or vague. Opposite of the word euphemism.

"I don't feel well. I am going to visit the rest room and poomit some brown bubbles."

"When I reached climax I ejaculated into the woman's mouth and she commented on how she enjoyed garggling my man chowder."

Malphemism by dWP August 24, 2004