look up any word, like blumpkin:
 
1.
A leading or paramount power
most powerful country in the world
USA is the current hegemon so it can and does do anything it wants
by Dong Woo March 09, 2005
 
2.
The greatest of all Pokemon.
Holy shit! That Hegemon just beat the fuck out of that Pikachu!!
by Mr Monster January 30, 2007