1 B2 idiomatic informal
To become deeply and enthusiastically absorbed in a niche or intellectual topic.
"We completely nerded out about medieval architecture for the entire train ride."
nerd out
B2 informal intransitive
To enthusiastically immerse yourself in a subject you are passionate and knowledgeable about, especially a niche or intellectual topic.
In plain English
To get really excited and talk a lot about something you love, like a science topic or a video game.
What does "nerd out" mean?
2 meanings, ordered from most common to least. Color-coded by CEFR level.
2 B2 idiomatic informal
To behave in a way characteristic of a nerd, especially by showing intense enthusiasm for technical or academic topics in a social setting.
"Sorry — I totally nerded out at the party when someone mentioned quantum physics."
Usage tip
Originally from American English but now common in global internet culture. Generally used affectionately or self-deprecatingly. Often followed by 'about': 'I nerded out about linguistics for an hour'. 'Geek out' is interchangeable.
Words that pair with "nerd out"
Natural word combinations native speakers use most often.
about science history comics data games
How to conjugate "nerd out"
The five tense forms you'll use most often.
Base
nerd out
I/you/we/they
3rd person
nerds out
he/she/it
Past simple
nerded out
yesterday
Past participle
nerded out
have + pp
-ing form
nerding out
continuous
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