MM Failure 

This is know when a person is attacked by the Mexican Mafia on myspace/facebook game Mobsters. It refers to every time another person makes large claims, but is never backs up their claims.

"The guy is a pure MM failure, he never even attacked me back."

MM Failure by asmocon February 24, 2009

toliver mcfailure 

The state of being one "TOliver" while having your father do a hoe-down up front. This of course leads to the disowning of one's family.

Theodore "VindowViper" Oliver

toliver mcfailure by Phasmatis568 January 23, 2004

McFailure 

An employee at McDonalds

Guy1:Dude did you see that McFailure?
Guy2:The one that gave us the burger?
Guy1:Dude dont answer a question with a question.

McFailure by 1234 YEA November 3, 2008