(Adj.) 1) Portmanteau word formed from "fucking" & "ridiculous," describing something SO unreasonably absurd, that calling it "ridiculous" is far beyond inadequate for adjectival usage; or, 2) Through-the-looking-glass idiotic.
1) My landlord hasn't fixed the hot water for 5 days! That's just fuckdiculous!
2) That guy I REALLY hate at work used me for a reference when applying for his new job: that's fuckdiculous!
Mary, while driving, texted Paul "This traffic is fridiculous!" instead of "This traffic is fucking ridiculous!", effectively reducing her negligent driving time(texting while driving) to a minimum.