A childhood nickname can keep a grown person’s mistake permanently small and permanently present.

A childhood nickname often preserves a single moment, usually a moment of failure or clumsiness, and carries it forward indefinitely. The nickname keeps that moment affectionate and manageable, which is the kindness in it, but it also keeps it available forever. Every use is a small reminder that the family remembers you at your least capable, and that they have decided this is a charming thing to remember.

If a name like that still lands oddly, you are allowed to say so once, plainly, without turning it into an accusation. If you are the one using it about someone else, watch their face rather than the room’s. Long affection is not the same as consent, and both can be true at once.