This is the 8200th most frequent Russian word.
мега
"Mega" in Russian means "mega" or "extremely large; great."
In this sentence, "мега" is used as a colloquial intensifier, suggesting something exceptionally large, complex, or impressive.
Этот проект — просто мега по сложности.
This project is simply mega in complexity.
Here, "мега" emphasizes the exceptional quality of the atmosphere, indicating it was highly enjoyable or engaging.
На концерте была мега атмосфера!
There was a mega atmosphere at the concert!
In this use, "мега" signifies something extraordinarily beneficial or advantageous.