It's pronounced "be-throld". A bit of slang where I come from, it's the ironic imperative of behold. Use it when you're telling people to behold nothing much.

A day ago, I taught myself more about game development in a night than I learned in the past six months because I had to sit down with my tool of choice - Godot - and make something for other people. Since that worked so well, I decided to do more learning by doing, and to that end, I'm joining LD44's jam component, and this public declaration is here to make sure I stick with it.