2
1: synonym for great, grand, marvelous, or anything else meaning good

2: something said in sarcasm when someone asks you how you are and you feel like crap
1: Oh my god, you won the lottery, thats fanfreakingtastic.

2: Bill: Hey Jimmy how was your day?
Jimmy: Oh it was fanfreakingtastic
by slappywag July 19, 2005
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3
from th cw series Supernatural. meaning “oh great” in the most sarcastic tone you’ll ever see.
well that’s fan-freaking-tastic
via giphy
by tossthatshade November 04, 2018
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