craptastic

The story

1. Old Dutchkrappen
2. Old Frenchcrappe
3. Middle Frenchcrape
4. Middle Englishcrappe
5. Englishcrap
6. Proto-Indo-European*bʰeh₂-
7. Proto-Indo-European*bʰh₂nyéti
8. Proto-Hellenic*pʰáňňō
9. Ancient Greekφαίνω (phaínō)
10. Ancient Greekφαντάζω (phantázō)
11. Ancient Greekφανταστικός (phantastikós)
12. Late Latinphantasticus
13. Middle Frenchfantastique
14. Englishfantastic
15. English todaycraptastic

From crap + -tastic.