Words Seldom Seen: Fanboy
Fanboy Noun: A male fan. For example: “Bill is a big fanboy of Zelensky.” or Verb: A male being overly enthusiastic. For example: “Bill has a tendency to fanboy about the UCLA of the last century.” This is a new word, the meaning is evolving. It is also a portmanteau. I am a fanboy of Zelensky.