(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!
The abridged version of "fucking ridiculous". When "fucking ridiculous" is either too long to type cause it won't fit, no time for all those characters, profanity is not allowed, etc..
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.