When you innocent mormon mother asks you what you "Mo Fo" means. You reply just as innocently "It stands for mormon folk, mom." Then you hope she doesn't use it at church.
by 2much2remember November 7, 2008
Get the mo fomug. an abbreviation not understood by elders most commonly understood by teenagers standing for "mother fucker"
Ann's mother: why don't you hang out with Kate anymore?
Ann: Shes suck a mo fo.
Ann's mother: what does that mean?
Ann: ohhh nothing
Ann: Shes suck a mo fo.
Ann's mother: what does that mean?
Ann: ohhh nothing
by diva12 October 20, 2009
Get the mo fomug. 
by Fiona Schrapel September 27, 2005
Get the Mo-Fomug. No-show Mo-Fo (nō shoh 'mæu.fæu)
noun
Definition: slang / meaning/ Flake.
Someone who flakes; does not show up to where they are supossed to be.
2. A person who said that he/she would be at 'this' place, at 'this' time, and fails to show up.
noun
Definition: slang / meaning/ Flake.
Someone who flakes; does not show up to where they are supossed to be.
2. A person who said that he/she would be at 'this' place, at 'this' time, and fails to show up.
Guy1: "dude, Nate is such a flake! He didn't show up for the races yesterday."
Guy2: "No way! Let's duct tape that no-show mo-fo to the pole at the high school tonight."
Guy2: "No way! Let's duct tape that no-show mo-fo to the pole at the high school tonight."
by DizzieRiot November 12, 2014
Get the No-show mo-fomug. 
Jus something to add on in insulting someone. Instead of calling im/her a ho-mo or a mo-fo you put u ho-mo-fo (homosexual mother fucker)
by Roger & Harry November 8, 2007
Get the ho-mo-fomug.