RSDF Share definition Flag Acronym for: Rip Shit Dick Fuck.Often used in context when referring to something totally awesome. "Yo Brian, that RSDF party last night was ballin'.""Yeah, Alex drank so much he almost died!" RSDF by Guy Blackson May 31, 2011 0 0 Get merch Get the RSDF mug. Buy Now — $32.95 See more merch
