Taken from days of yore when being an unwed mother carried a high tariff.

To pie someone off would be to disregard them or treat them with disrespect. The person speaking feels like they’ve been made to look like the equivalent of a used cum receptacle and nothing more. “Pie” is taken from the term “cream pie” which leads to pregnancy. To pie someone off would be the same as using them or discarding of them as if they were simply some unfeeling flesh hole.
Barry the builder was supposed to be here at 10am, he’s really pied me off!”
by Your mum’s boiler June 23, 2022
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