A fork of Rural Dictionary
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.
automatic, quick and without thought
Allergies are the immune system's knee-jerk defensive responses to unknown substances.
To masturbate by placing your penis between your legs and then moving your knee with your hand.
He performed a knee-jerking to the rhythm of a Ace of Base song.
a person of strong liberal convictions who reacts predictably and emotionally to certain events.
Did you see how he reacted?He must be a knee jerk liberal.