jblfluffter Share definition Flag jblfluffter (pronounced JAY-bull-fluff-ter) is a term used when one is feeling depressive or shameful. It is used as an interjection. "Aw, jblfluffter, I have no friends." jblfluffter by ejiu34jeofdcnf43pwnrifv November 4, 2020 Get the jblfluffter mug.