How to get out of an uncomfortable egg culture situation with this one simple trick.
Real talk: Calling people eggs is a violation of the egg prime directive, and is considered invalidating as you are trying to say that a person is not the gender they identify as, that their identity is invalid. Don't call people eggs, like ever, it's extremely uncool.
It's not really a slur, it's just really uncool, as it makes assumptions about the person's identity.