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the same as awesome but not as awesome as awesome.
mainly used for when someone's bragging or if you just dont really care or if it's inbetween awesome or alright etc
Boy: i just got a new car
Boy 2: that's good
Boy: i got wheels imported all the way from europe
Boy 2: nicesome now stfu

example 2

Boy: watch this 360 kickflip
Girl: nicesome!!
by douchey baller April 15, 2010