Kahootenany: Reposting un-Snopesed silliness on the internet.
Kanoodledoodle: Whiling the hours away on sundry social media sites.
Kantankerosity: The inclination to argue about anything, to snark about everything.
Kavorked: To be on the receiving end of legalized euthanasia.
Kerfufflefluffle: A fierce controversy over nothing; a mountain out of a molehill; majoring on the minors and minoring on the majors.
Keypal: An internet friend; a thoroughly modern version of the penal.
Kidnapkining: Grabbing too many napkins at a fast-food restaurant.
Klutzietgiest: An awkward, clumsy, and comic culture.
Knolltroll: An unrecalcitrant conspiratorialist.
Kultursmog: The smothering uniformity of pop culture’s amoral morals.
Kwanhanamas: Kwanza plus Hanukkah plus Christmas; thus, the politically correct “Happy Kwanhanamas!”