This is of apparent military derivation, American usage: a situation that is so balled up it is beyond description.
The recruits were given the command "To the Rear, March." Half of them kept going, a few went to the rear, and the rest just stood there.
by J. Bethancourt September 14, 2003
I group of people, cars, or animals that seem to all be at the same place at the same time, preventing each other from moving on. A seemingly unmoveable mass of objects that looks totally inefficient.
Dude, the traffic tonight was a disaster!! There were so many cars in this one accident, it looked like a Mongolian Cluster Fuck.
by Bill Smales September 08, 2006
by Matt, Bryce, Fag December 26, 2007
by sloppy the sapien johnson2 July 14, 2010
Adolf Hitler's attempt at world domination shall always be remembered as a Holy Mongolian Cluster Fuck.
by C0rrupt3d R34l1sm October 15, 2005
by dr_spanklebums May 04, 2004