noun. Kneejerk-type behavior, with an emphasis on "jerk-off."
Real citation: "This is not random speculation. This is not incoherent antireligion kneejerkery. This is cold hard fact, just like the fact that I kick ass."
(Imp, May 16, 2001, http://www.stepzero.org/forum/view.pl?1004)
Made-up citation: "'Kneejerkery' almost rhymes with 'beef jerky.'"