When you know a lot of information about something unusual, usually nerdy, and express it with great enthusiasm.
Wayne: Dude, relax. I only said I was excited for The Dark Knight.
Bruce: Sorry, I was nerding out for a minute there.
Try not to nerd out this time, ok?
Oh fingernailpiss, he's nerding out again.
bowties, newly printed warm theses, and talks on evolution and human variation make you wet in the panties.
the majority of your boners are facilitated by the library, in one way or another.
you spend every friday night and the wee hours of saturday morning at PANCAKE 24 HOURS.