The unseen aspect of a plan which must be taken into consideration so as to avoid an undesirable outcome generally due to involvement of those working beyond the scope of their competence.
Their evacuation plan in the event of a nuclear disaster does not take into account the bozo factor and chaos which would ensue.
by SophieBird February 8, 2010

Leslee's pussy smelled like the morning dew and tasted like honey but her friend Fran's smelled like shrimp shells left out in the sun and tasted like a pair of old running shoes recovered from a garbage dump. Leslee had a mackerel factor of zero, while Fran had a mackerel factor of ten.
by bullet88 August 21, 2008

1. one who is the determinant of whether there is or is not ass present.
2. one who repeatedly does something to make them an ass.
2. one who repeatedly does something to make them an ass.
by kris April 20, 2005

1. a feeling of nausea when being near an ex wife, husband, etc...
2. to vomit from being near an ex wife, husband, etc...
3. picking up new potential dates in a place that your ex wife/husband frequents and trying to be sneaky about it
2. to vomit from being near an ex wife, husband, etc...
3. picking up new potential dates in a place that your ex wife/husband frequents and trying to be sneaky about it
"Dawn was feeling fine until she saw him and was struck with the ex-factor."
Person 1: Why is Dawn puking? Tequila?
Person 2: Nope...ex-factor...
"Brad was trying to scan for a woman, but he had to be sneaky due to the potential ex-factor in the room."
Person 1: Why is Dawn puking? Tequila?
Person 2: Nope...ex-factor...
"Brad was trying to scan for a woman, but he had to be sneaky due to the potential ex-factor in the room."
by jookie & dawn December 30, 2008

by MBaxter September 1, 2006

The quotient of how many stupid things there are in the world and how many people don't know those stupid things.
by Oktaviaa March 7, 2004

by Mike Montuori May 7, 2005
