This is the 6705th most frequent Portuguese word.
guri
A young boy or child (used mainly in Southern Brazil).
Here, 'guri' is used to refer informally to a young boy.
Aquele guri é muito talentoso no futebol.
That boy is very talented in football.
In this sentence, 'guris' is the plural form of 'guri,' referring informally to a group of boys.
Os guris estavam brincando no parque ontem à tarde.
The boys were playing at the park yesterday afternoon.
Here, 'guri' is used by the speaker to refer to themselves as a young boy in a nostalgic way.