From fucken + -ing.
fuckening (not comparable)
- (vulgar) Used as an intensifier.
- Synonyms: fecking, freaking, frigging, fucking
2000 February 26, Stephen Morris, “Indoctrination”, in alt.arts.poetry.comments[1] (Usenet), retrieved 2022-03-19:Your agest cunt face, your dealing with a fuckening genus.I was overqualified for Mensa. Now kneel to your master and ask for forgiveness. Your opinions are like you are...worthless.
2005 June 24, Patricia, “How to Killfile a Butler”, in alt.music.the-doors[2] (Usenet), retrieved 2022-03-19:Is it your life's meaning, your fuckening calling, to troll amt-d fuckening it up with your incessant, self-absorbed, PButt arguments?
2007 August 31, old777salt@yahoo, “Iraqi chemical warfare agent found — but not in Iraq”, in misc.news.internet.discuss[3] (Usenet), retrieved 2022-03-19:Hear about this on the news, just fuckening unbelievable, is the UN years ahead of Bush in hireling incompetent.