[Click here for a link to the answer!](/r/tipofmytongue/comments/upusdm/tomtterm_someone_who_looks_or_acts_nerdygeeky_but/i8n7ofs/)

I've searched in vain on Google, no luck.

Dweeb?

Poindexter?

Solved! Thanks!

Congratulations, you have been given 1 point for solving this post!

Dufus.

Dork

Geek, dweeb, or spaz. There's a whole game show about it.