General "nerd":
* "Siyentipiko" (scientist) - This is often used for someone who is very knowledgeable in a particular subject, especially science or technology.
* "Matatalino" (intelligent) - This simply means intelligent, but it can sometimes be used to describe someone who is very focused on their studies or interests.
* "Mahilig sa libro" (book lover) - This is a literal translation of "bookworm" and can be used to describe someone who is passionate about reading.
* "Matalas ang utak" (sharp mind) - This means having a quick and clever mind, and can be used to describe someone who is good at problem-solving or understanding complex things.
Negative connotations:
* "Snob" - This can be used to describe someone who is seen as arrogant or condescending because of their intelligence or knowledge.
* "Tanga" (stupid) - This is a derogatory term and should be used with caution. It is sometimes used to insult someone who is perceived as being too intellectual or out of touch with reality.
The best translation will depend on the specific context and the tone you want to convey. For example, if you're talking about someone who is passionate about video games, "mahilig sa laro" (game lover) might be a good choice.
It's important to remember that using any of these terms can carry different connotations depending on the person and the situation.