You wear glasses, have a comb-over so you look stupid, hike your pants up, avoid making friends, and act like you know everything. (You must be smart.) Of course, that is just stereotype nerd. You can be introverted or outgoing, as long as you are socially awkward. Being smart and wearing bad clothing are nerd trademarks.
Otaku means an "obsessed" fan.
If by otako you mean otaku, then no toradora is not an otaku.
Otaku Magazine was created in 2005.
The ISBN of The Otaku Encyclopedia is 9784770031013.
The Otaku Encyclopedia was created in 2009.
Otaku USA was created in 2007.
The Otaku Encyclopedia has 248 pages.
Ambiant Otaku was created on 1994-03-28.
America's Greatest Otaku - 2011 Otaku Con Artist 1-4 was released on: USA: 17 March 2011
America's Greatest Otaku - 2011 Down Home Otaku 1-6 was released on: USA: 24 March 2011
America's Greatest Otaku - 2011 Bright Lights Big Otaku 1-5 was released on: USA: 24 March 2011
America's Greatest Otaku - 2011 Otaku Quest Revs Up 1-1 was released on: USA: 24 February 2011