Ways to say it
| Portuguese | IPA | Note |
|---|---|---|
| nerd | /ˈnɛʁ.d͡ʒi/ (Brazil) /ˈnɛʁd͡ʒ/ (Brazil) |
Brazil |
| CDF | Brazil | |
| totó | /toˈtɔ/ (Brazil) /tɔˈtɔ/ (Brazil) |
Portugal, colloquial, feminine, masculine |
The term refers to an intellectual, skillful person, generally introverted or passionate about technology, popular culture or intellectual pursuits.
Which one should you use?
While nerd is a common term, the acronym CDF is used specifically as slang to describe someone who excels academically, often with a mocking intent. In Portugal, the colloquial term totó is used instead.
Is there a formal and an informal way to say it?
nerd is an informal term used to describe someone with intense intellectual interests. CDF is informal slang that is often derogatory. totó is a colloquial term.
Is it said differently in some regions?
In Brazil, nerd is extensively used, particularly in urban areas, while CDF is a Brazilian slang acronym. In Portugal, totó is the colloquial term for a nerd.
How does it change in a sentence?
To form the plural of nerd, add the suffix '-s' to get nerds.
How do you pronounce it?
The word is pronounced /ˈnɛʁ.dʒi/. It has 2 syllables, with the stress on the 1st syllable.
When do people say it?
In Brazil, using the acronym CDF is often intended to mock or look down upon someone for their academic excellence.
Did you know?
- Depending on the region or era, the DF in CDF might instead stand for cu-de-ferro, translating to 'iron arse'.
- The Portuguese pronunciation of nerd adds a vowel sound at the end, making it sound like ner-dji.
- The term totó in Portugal can describe someone who is simply 'too good' or overly obedient, rather than just intellectually gifted.
Examples in context
- Tom é um verdadeiro nerd.Tom is a real nerd.This sentence demonstrates how to use nerd to describe a person.Tatoeba #5163882 by bill, translation #3633847 by Hybrid
- O Pedro é muito dedicado, um verdadeiro "cdf". Sempre tira as notas mais altas da turma!Pedro is very dedicated, a real "cdf." He always gets the highest grades in class!
- Aquele menino é um nerd de tecnologia.That boy is a technology nerd.
- Eu sou um nerd de jogos de tabuleiro.I am a board game nerd.
Example conversation
Gabriel and Mariana are discussing their hobbies at a cafe.
- GabrielVocê é um nerd de cinema, não é?You are a movie nerd, aren't you?
- MarianaSim, eu adoro estudar roteiros.Yes, I love studying scripts.
- GabrielEu sou um nerd de história também.I am a history nerd too.
- MarianaEntão temos muito o que conversar!Then we have a lot to talk about!
Sources
- Wiktionary, “nerd” translations and entries nerd, CDF, totó, CC BY-SA 4.0, dump of 2026-09-26.
- Word origins: Wiktionary entries CDF, nerd, totó, CC BY-SA 4.0.
- Example sentences: Tatoeba CC BY 2.0 FR.
