👉 In the context of a formal or academic setting, an "upperclassman" refers to a distinguished and privileged classmate. It is often used in a humorous or derogatory manner to describe someone who is considered superior or more refined than others.
For example:
The "upperclassmen" at the university were very respectful towards each other.
I was invited to dinner by an upperclassman, but it turned out to be a joke.