nerd out

verb2

1. •
   (slang) To study intensely, swot

   • There appears to be something essential about that. I search my memory for every reference to decapitation found in a lifetime of nerding out at the library — 2012
2. •
   (slang) To do nerdy things; to geek out.

   • Even when he’s nerding out, he’s nerding out to the 10th power. — 2009