RDIB Share definition Flag Abbreviation of “Raw Dog It Bro!”, meaning time have sexual intercourse without protection. Usually said in encouragement of a fellow bro. John: “I talk Jane and I are going to have sex tonight.” Joe: “RDIB!” RDIB by Cerberus1975 October 11, 2019 0 0 Get merch Get the RDIB mug. Buy Now — $32.95 See more merch