This is the 11178th most frequent Polish word.
gościu
"Gościu" is an informal Polish word meaning "dude," "guy," or "mate."
Here, 'gościu' is an informal and friendly salutation, addressing a male person in a casual manner.
Gościu, czy mógłbyś mi pomóc z tym pudełkiem?
Pal, could you help me with this box?
In this example, 'gościu' refers colloquially to a person among the attendees of an event.
Na przyjęciu było wielu gości, ale ten gościu przyciągnął moją uwagę.
There were many guests at the party, but this guy caught my attention.
Here, 'gościu' is used in a more playful or astonished tone to refer to someone, often to emphasize their unexpected actions.