Roofalin Share definition Flag The "correct" form of the word for the drug Roofies, according to The Hangover. Roofalin? You keep using that word? What the hells roofalin? Roofalin by DougPagingDoctorFaggot October 21, 2010 0 0 Get merch Get the Roofalin mug. Buy Now — $32.95 See more merch