1 definition by JustmeAmandaG

1) A combination of Nicholas and Fantastic.
2) A word used by Nicholas Tetreault and his fans.
3) Used to described something better than awesome.
4) When you can not think of a word besides awesome.
1) Dude that movie was Nicktastic!

2) Thanks for supporting Nicholas Tetreault. You are all NICKTASTIC!!

3) Did you see the youtube video that Nicholas Tetreault posted? It was totally Nicktastic!
by JustmeAmandaG September 3, 2010
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