peggy
n. countablen. a person who is very careful with money or works in a low-level office job. It is a casual, slightly old-fashioned way to describe someone who cares too much about small details and rules.
n. a person perceived as being overly concerned with minor administrative details or financial frugality. Often carries a derogatory or dismissive tone in British English slang.
Don't be such a peggy; just buy the expensive coffee for once.
The office peggy insisted on counting every single paperclip before signing off on the supply order.
While his colleagues celebrated the successful merger, the department peggy remained at his desk, meticulously cross-referencing the travel expenses against the original receipts to ensure total compliance.
Alteration of Maggie, from Margaret.
Primarily used in British English as a derogatory label for someone obsessed with trivial rules or saving small amounts of money.