Nerdy-pie

Adj: Someone who is into Nerdy/Geeky hobbies and lights up when you listen to them talk about their interests, acting very cute doing so,

Listening Matpat talk about FNAF is adorable he's such a nerdy-pie .

Nerdy Thug

Nerdy Thug Aka The most savage nerd of all time.

The fan: "Hey can I take a picture?"
Nerdy Thug: "Nerdy Thug in this bitch"

pretty nerdy

When someone is quite nerdy, but can also be used when someone is a beautiful nerd.

That girl over there is pretty nerdy.