as fast as greased lightning
The phrase "as fast as greased lightning" is an idiomatic expression used to describe something or someone that moves or operates at an extremely high speed. It suggests that the speed at which the subject is moving is comparable to lightning that has been greased, meaning it is exceptionally quick and smooth.
English is confusing! Why do people say "Pardon my French" when they are speaking English? Because of idioms!
An idiom is a phrase or expression that usually presents a figurative, non-literal meaning attached to the phrase. Does that sound fun? It can be!
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