tan yer arse Share definition Flag when you've done something wrong and get put over someones knee with a bum slap as punishment. You: (does something bad) Mum: Do that again son and I'll tan yer arse! tan yer arse by Whatta.Prick June 18, 2020 0 0 Get merch Get the tan yer arse mug. Buy Now — $32.95 See more merch
