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the word said when someone is very excited something that is not worth being happy over because it isnt real; the false version of being or feeling truly fantastic.
Justin: Did you like my new yPhone
Sheila: Don't you mean IPHONE?
Justin: Its fanplastic isn't it

OR

Annalyse: Whats wrong
Ashley: I just broke up with Michael and thought i would feel happier, but i feel so fanplastic.


OR

"our relationship is fanplastic"

"Her lips are fanplastic"
by SRSDoReMi December 05, 2008
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