A Lieberman (or to "Pull a Lieberman") is the act of winning something despite failing support (more specifically, winning an election when your party turns against you).
Someone who has no friends, reads books all the time, and has no social life nor intelligence what-so-ever. This person is usually considered lower than the average NERD.
Regular Kid: Yo, kid why are you reading that book? Are you a lieberman?
Alex: What's a lieberman?
Regular Kid: You.
The Lieberman effect essentially breaks the world into two types of people: People who look attractive while standing next to Joe Lieberman, and people who make Lieberman look good by comparison. Most of the population is in the former category.
A condition in middle-aged adults in which the adult unintentionally makes a platonic conversation with a teenager less about engagement and curiosity, and more about interrogation