Best definition
Someone who uses a smartphone or other gadget to connect to the internet whilst in the middle of a remote and picturesque setting.
Jane couldn’t stop checking her Facebook account on our backpacking trip. She was wildernerding at every ridgetop.

“You guys should stop wildernerding and enjoy the view. You can chat with your friends back home later.”

Billy had to post every photo he took on Instagram right away so his followers could see how pretty it was in the woods. He is such a wildernerd.