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A cigarette that has been "greased" (dipped) in "lightning" (lean aka Promethazine with Codeine).
I always hit a Greased Lightning on my break, at work, to get a nice buzz going.
by Katisuyorudan February 06, 2014
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3
An expression to portray something to be faster then lightning.

When something is greased, it generally moves faster.
Try that again and you will be out of here faster then greased lightning.
by Cenax March 18, 2005
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4
Hot ass sex involving a lot of (flavored) lube.

Come on, didn't you see the Greased Lightning scene in Grease?
RuPaul likes it hot and fast like Greased Lightning
by Fagenstein February 27, 2006
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5
A form of suicide which consist of the victim dunking a fork in motor oil and then quickly inserting it into an electrical outlet.
Ma'am, we've examined the body. It appears that your son died from... Greased Lightning.
by Nordlord819 April 13, 2019
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