Nerdgasm

A nerdgasm, sometimes known as "nerding out", happens when a nerve in your spine gives you a sensation that makes you wanna squeal with excitement because something nerdy that you like just happend. Can also happen at random times when you were excited earlier but where trying not to be nerdy around people.

Nonrandom nerdgasm:
Person 1: Hey, I got you this doctor you sonic screwdriver.

Person 2: *SQUEAL*

Person 1: Uh thanks? I guess