Jafflick Share definition Flag Noun. Northern Ireland Someone who is half protestant (see Jaffa) and half Catholic. He's a Jafflick so he is. His Ma's a hun but his Da's a taig. Mad hi Jafflick by KeithGillespiesNephew July 20, 2020 0 0 Get merch Get the Jafflick mug. Buy Now — $32.95 See more merch