Top Definition
A substance that is a knock off of aspirin. Its side-effects include: wanting to move to Canadia , saying wat a lot, and the ability to kick-ass at RPG games. This is also know on the street as Aff, or sometimes even Ass.
Guy1: 'Dude you gave him afferin!'
AffVictim: 'wat'
Guy2: 'Whoops'
by InoIwolnBleabinHere February 08, 2009
9 Words related to afferin

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