眼泪过敏

The person who chooses this username might be particularly sensitive or emotionally vulnerable, suggesting they easily get tears from being touched by things. The term 'allergy' usually means an overly defensive reaction to certain substances in daily use. In terms of a nickname, it could represent that this person tends to be very emotional and can't help but shed tears when encountering strong feelings such as joy, sorrow, or even touching events. It's likely used to express the owner's sensitive and delicate inner world.