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Fahfahtation is a slang word used for "lying" "exagerrating" "making up things" or you can even use it for other things as this word fits into most people's everydy lives.

Different forms of the word:
"Justin bieber is gay" Lama stop fahfahtating
or "bro, enough with the fahfahtation.
by ZOOBIDABIDOO June 28, 2011
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