What does どっと mean?
どっと is a Japanese adverb meaning “all at once” or “in a surge” in English. It can also be translated as “bursting out with laughter” depending on context. It is written as どっと in hiragana, and dotto in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
学童たちはどっと笑った。
The pupils burst out laughing.