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1.
Chemical formula HCl. A substance without which you'd die (for not being able to digest food) but which, if consumed, would probably kill you.
That Tyrone is a crazy motherfucker, he drops HCl acid raw.
by PoopyPoo May 29, 2005
 
2.
What Jeffrey Dahmer used to dissolve torsos.
Officer: What did you dissolve the torsos in?
Dahmer: Hydrochloric Acid.
by sarah levitsky April 26, 2007