Tri-obsessed

Tri: coming from the word "Triforce"

When someone who is obsessed with Zelda, automatically thinks that any triangular object they look at must be THE TRIFORCE.

O_o

Geek: "OMG THAT'S THE TRIFORCE!! DUN DUN DUNNNN"

Normal person: "No, that's a slice of pizza... you're so f*cking Tri-obsessed."