nerd

Ambiguous tag.

For the artist formerly tagged here, see nod. And see also Danbooru forum #35673.

For Pokemon trainers appearing in the Pokemon games, use Super Nerd (Pokemon) tag.

For James D.Rolfe's video game review, use Angry Video Game Nerd. (character tag)

For Josh Mirman's webcomic, use Punks and Nerds.

For the stereotype of nerds (particularly Japanese ones), see otaku.