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).
Bob just pulled a Lieberman; he won the race even after all of his friends said he wouldn't.
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