obsessed

Thus, baseball cards are not gaming cards and serve only to amuse and pleasure those who love [baseball] and their players (See [keedon], [baseball]). > That damn keedon got so obsessed with getting that Ken Griffey Jr

I didn't really want people to know I was secretly obsessed with Harry Potter

One who is obsessed with the game of baseball, baseball cards, baseball players, and anything remotely related to baseball is called a keedon (See [baseball]). > A [keedon] is one who pays exhorbitant amounts of money for boxed sets of baseball cards just to get a good autographed baseball card, which could have been bought individually at the same price or less (See [keedon]).

A fanatic obsessed with pseudo science and propaganda, an alarmist.\r A fool with delusions of grandeur.\r Chicken Little type paranoia.\r A ranting fake, a poser, a snake oil salesman. > Billions and billions will die Ludwigvanquixote screams as he does the Snoopy dance.

obsessed with a single subject or idea