Sickle mum Share definition Flag A persons mother who doesn't understand the definition of Angelina stfu , bffaesywneabbo is another definition for sickle mum . She's such a sickle mum Sickle mum by Sickle mum June 27, 2020 0 0 Get merch Get the Sickle mum mug. Buy Now — $32.95 See more merch