by xerobull March 28, 2013
A spontaneous, thoughless, predictable and stereotypical reaction to something, usually an opinion or a statement.
An entire culture of American neo-conservatives has seemed to build itself on a type of knee-jerk reaction to any kind of criticism of the Bush Administration or the loyal element of the Republican Party, even from fellow conservatives -- the kind of pseudo-patriotism discouraged by Theodore Roosevelt.
by LudwigVan November 10, 2003
by Light joker January 14, 2007
An orthopaedic surgeon who happens to also be an idiot, despite both the excellent training and higher than average IQ.
I'm glad that the Knee Guru replaced my knee, but he is a total knee jerk when it comes to bed-side manner.
by Quills13 January 23, 2011
by L0VE (the 0 is a zero) November 3, 2009
Verb: the act of using the inside of the knee to stimulate a mans penis in order for him to ejaculate.
by Imsorad February 6, 2021
by NyloxGYTLOL June 13, 2021