gościu

In a sentence

• Gościu, czy mógłbyś mi pomóc z tym pudełkiem?

  Pal, could you help me with this box?

  Here, 'gościu' is an informal and friendly salutation, addressing a male person in a casual manner.

• Na przyjęciu było wielu gości, ale ten gościu przyciągnął moją uwagę.

  There were many guests at the party, but this guy caught my attention.

  In this example, 'gościu' refers colloquially to a person among the attendees of an event.

• Nie wierzę, co ten gościu właśnie zrobił!

  I can't believe what this dude just did!

  Here, 'gościu' is used in a more playful or astonished tone to refer to someone, often to emphasize their unexpected actions.