It means like an immediate reaction, like your first impulse? From the doctor hitting your knee with that rubber hammer. I know that cuz I watch a lot of old cartoons. I got a shirt with the Looney Tunes martian on it. For real. Well, I’m lying, but my friend has one.
I agree with Beej that it is an immediate reaction, but I think it has even more meaning, in that it is a reaction that you cannot avoid showing, just as you cannot avoid straightening your leg when the knee is hit with a rubber hammer.
It means like an immediate reaction, like your first impulse? From the doctor hitting your knee with that rubber hammer. I know that cuz I watch a lot of old cartoons. I got a shirt with the Looney Tunes martian on it. For real. Well, I’m lying, but my friend has one.
I agree with Beej that it is an immediate reaction, but I think it has even more meaning, in that it is a reaction that you cannot avoid showing, just as you cannot avoid straightening your leg when the knee is hit with a rubber hammer.
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