Tech-vegan
Someone who continually talks (brags) about the new piece of technology they bought and how it is superior to yours, even though you never asked them about it in the first place.
"That guy Adrian is such a tech-vegan, he's been talking about his computer for 25 minutes even though nobody asked him about it"
Tech-Vegan
Someone who goes out of his/her way to support open-source software, and would never use proprietary technology if he/she has the option not to.
"Hey, did you hear back from Tim?"
"No, he's a tech-vegan and uses a hacked Android phone that only supports 2G."
"No, he's a tech-vegan and uses a hacked Android phone that only supports 2G."