This is the 5691st most frequent German word.
boa
An exclamation expressing astonishment or amazement.
Here, 'boa' is exclamatory, used to express astonishment or amazement.
Boa, das ist ja unglaublich!
Wow, that's unbelievable!
In this usage, 'boa' conveys relief or satisfaction after completing something.
Boa, endlich ist die Arbeit geschafft.
Phew, the work is finally done.
Here, 'boa' reflects a realization or mild regret about forgetting something.