Ginger’s Phrase of the Day provides you with a daily dose of interesting facts and trivia on some of the more, and less, common phrases in the English language. Learn the real meaning behind these phrases, when and how to use them and other less-known info behind each phrase.
You use the phrase ‘Knee Jerk Reaction’ to indicate that you’ve made an automatic response to something.
Example of use: “I hauled off and hit him when he jumped out at me. I know he was playing a trick, but it was a knee jerk reaction!”