(n) an expert in banjo-based music styles. The term originates from an episode of the Simpsons in which a talk radio host refers to a guest using the term.
Guy #1: "My cousin is from Alabama. She's a banjologist."
Guy #2: "When's the wedding?"
That person in your friend group designated for complaining to about everyone's problems with their boo or booho. Basically, it's a low-budgetrelationship counselor.
Monique is my best friend and booologist, I'm always talking to her when I have a problem with Tyler.