They know that the thing they have done warrants a particularly bad spanking.
They know that the implement, that usually resides at the back of the cupboard, will be dusted off and come out into the light for it's biannual outing to the land of RedBackside.
I blogged earlier on this month about the fact that I keep forgetting to use the seatbelt for my children.
I have already been spanked for this twice in the last month and yet the other day, the worst happened!
I did it again!