Slang word for the drug Methylphenidate. Generally refers to Ritalin tablets, but may be used for any generic preparation.
Ricky - "What the hell Mitch, you've been studying for your statistics exam for three days straight, what's wrong with you?"
Mitch - "Every two hours i swallow a cap of rin tin tin."
Mitch - "Every two hours i swallow a cap of rin tin tin."
by donramono August 16, 2012
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