Ye’re a right scunner, so you are! Coming here, asking me what scunner means. That’s annoying, so it is!
A scunner is an annoying person, or an annoying thing. You have every right to be scunnered with a scunner. Rain on your wedding day? That’s not ironic, Alanis Morrisette, it’s a right scunner, but it’s not ironic.