Bum tug
When someone puts a finger in your bum, dry, and all your bumhole skin gets tugged inwards along with said finger and it hurts a bit
Karen: I’ve got such a sore bum hole today
June: You been putting scotch eggs up your bum again?
Karen: No nothing that tasty, Gareth slipped a finger in dry and I got really bad bum tug
June: You been putting scotch eggs up your bum again?
Karen: No nothing that tasty, Gareth slipped a finger in dry and I got really bad bum tug