fanfuckingtastic

American  

[fan-fuhk-ing-tas-tik, -in-] / ˈfænˌfʌk ɪŋˈtæs tɪk, -ɪn- /

Also fanfuckintastic;

adjective

1. extraordinarily or unbelievably excellent; outrageously good.

   The latest trailer is fanfuckingtastic—I can’t wait to get my hands on this game!

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Etymology

Origin of fanfuckingtastic

First recorded in 1985–90; by tmesis, i.e., the interpolation of a word, here fucking, between the parts of another word, here fan-tastic