What is Mainliner?
1.
One who does drugs such as heroin by means of
Hes a mainliner druggie
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2.
One who injects drugs into their bloodstream with a needle.
Ohmygod, he's not only a mainliner, he reuses his
works ! Do not exchange any bodily fluids with him no matter what.
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Random Words:
1.
Doing something stupid that will result in you getting your ass kicked or receiving other bodily harm.
Tom: "I'm gonna go pla..