noun. Apathy. Zen. Whatev.
Related terms: could-give-a-fuckness, couldn't-give-a-fuckness, don’t-give-a-fuckness, give-a-fuckness, I-don't-give-a-fuckness, non-give-a-fuckness.
Real citation: "So, best usage goes to Snoop Dogg for the sheer I-really-couldn't-give-a-fuckness of it, second to Green Day for being cheeky but sincere, third place goes to elderly blonde Madonna who at least gets sympathy points for getting caught up in the Dogg/Razorlight roll."
(Rowan, "Soil the Beeb," July 3, 2002, Jet Set Web Blog, http://www.jetsetweblog.com/_ablog.php?month=7&year=2005&neuron=4)
Made-up citation: "When you feel someone is heaven-on-a-biscuit, but you feel like crap-on-cracker, it's hard to project a suave aura of I-really-couldn't-give-a-fuckness."