Geko

Geko is an internet slang term used to refer to someone who is overly enthusiastic or obsessed with something. They may display extreme passion or excitement about a particular subject or interest.

Example 1:
A: Have you seen the new Star Wars trailer? It looks amazing!
B: Yeah, I’m such a geko when it comes to anything Star Wars related. I can’t wait for the movie!

Example 2:
X: I just found this new gaming console. It’s so incredible!
Y: Oh, you’re such a geko when it comes to video games. What makes it so special?

In summary, “geko” is used to describe someone who exhibits intense enthusiasm or obsession towards a topic or interest.