Weird has a different meaning for everyone, it's not a universal term. Moreover, It depends on what a person considers to be normal. Anything that is not normal for someone is weird to them.
To me, weird and normal are just illusions. We seem to apply our own ideas of weird and normal to the whole world as though they are universal truth. When something does not fit into our frame of mind or what we perceive to be normal, we call it weird and move on without thinking; but the world is what it is and from my perspective, it all things are regarded as normal - simply because things are the way they are.
In short, it is your option to perceive weirdness or not to, and if you do, you must decide what is weird for yourself because no two people have the exact same definition.
I'm glad you asked such an interesting question, thank you.