Ya mum's a sparky Share definition Flag A quick and witty insult to flabbergast the other person. Works like a charm and acts as the ultimate insult. Karen: "Your car is too loud!" Nik: "Ya mum's a sparky!" Ya mum's a sparky by dogtrue August 8, 2020 0 0 Get merch Get the Ya mum's a sparky mug. Buy Now — $32.95 See more merch