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1.
a very boring, pointless place.
my life.....
by david February 18, 2004
 
2.
A phrase yelled by a person who has just had their entire world destroyed, figuratively of course. Commonly, My World! is yelled when another person directly causes this indiscretion.
Cory: Ok Matt, just one more cup and we go undeafeated at beer pong tonight.

*Tommy sneeks in a bounce to win the game*

Matt: MY WORLD!!!
by Mr.Party April 16, 2010