Top Definition
Loss of sleep due to Osama bin Laden's death.
Osamnia could occur from partying, chants of USA outside your bedroom window, reading all about every detail on all the news sites, updating your various social networks to relay the news, checking into the post osama world on Foursquare, looking at pictures of Obama jumping out of a helicopter to kill Osama, posting tweets complete with Osama hashtags all night, fanning all the Osama is dead Facebook pages, looking up his compound on Google Maps, and otherwise celebrating the death of Al Queda's leader and world hide and seek champion.
by cuevasm May 02, 2011

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The Urban Dictionary Mug

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