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1.
Piffindale is the 'Street' Slang word for the mind blowing type of high grade marijuana. Piffindale is often very stinky and leaves you feeling delirious after one zag-a-nai (spliff).

Examples of the piffindale;

Cheese, Blue Cheese, Blue Rhino, Ak47, Shevia, Amnesia and many more.
Andy: What crow have you got?

Charlie: I have the piffindale!!
by Real O G September 17, 2010