We find there quite seriously the monstrous hyperboles of swallowing a camel, of having a wooden beam in the eye, of a camel's going through the eye of a needle, of heaping coals of fire on the head; all well enough as jokes, like the description of the Green Mountain road so steep that "greased lightning could not go down it without the breeching on".

You have to take your hat off to them. They've moved like greased lightning. I should have remembered about them. Slippery as a 'barrel load of eels' they are.

I got on that computer faster than greased lightning and sent him an email.

Greased lightning

Meaning

Noun