A person that is a nerd but unlike most nerds does not lack the necessary social skills to interact with non-nerdy people in a nature way.
Bob: Wow Ian is such a nerd.
Alina: Yes but at least he isn't awkward to be around. He's a functional nerd.
Alina: Yes but at least he isn't awkward to be around. He's a functional nerd.
by AwesomeAlina August 23, 2009
A type of nerd that isn't easily identified. people only realize they are nerds after prolonged exposure to them.
Ellilta's got her shit together but she's been watching Game of Thrones everyday for the past month. She's a functional nerd.
by jst_money March 7, 2017