那些年我们一起喜欢的男孩
[nèi xiē nián wŏ men yī qĭ xĭ huān de nán hái]
Translating to 'that boy we all liked back then,' this nickname often reminisces about the past. It evokes nostalgia for a time when a group of people, perhaps close friends, had a crush on the same boy, sharing that experience.