Phenidic acid, or Ritalinic Acid, or Evitalinic Acid is a portmanteau of 2-{Phen}yl-2-(p{i}peri{d}in-2-yl) acet{ic} {acid}. It is used to make Methylphenidate (Ritalin) and Ethylphenidate (Evitalin) by reacting it with methanol and ethanol. 2-Phenyl-2-(piperidin-2-yl) acetic acid is awesome!
Steve: I reacted Phenidic acid and Methanol to make Methylphenidate (Ritalin). I used the rest of the Phenidic acid to make Ethylphenidate (Evitalin).
the term for when your own arm melts due to acid being poured onto it. Afterwards your arm smells only like acid
"hey wanna go out tonight"
"sorry i cant. Karen gave me an acid arm"
Acid rapper means that you can only rap when your high
Dude that guy is such an acid rapper