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The sweat origaniating from a female's breast, usually during sex.
man she was soaked in headlight fluid last night!!
by LaidBackGuy1988 December 06, 2005
something that you send a newbie to go get when you don't want them around or are initiating them, ususally into a club or group.
"hey rookie, go get some headlight fluid and elbow grease at the store"
by laidbackguy December 28, 2005