This is the 15224th most frequent Polish word.
setka
"Setka" in Polish can mean "a hundred" (numeral) or refer to a 100 ml shot of alcohol (informal).
In this sentence, 'setka' is used to denote the quantity of one hundred of something, specifically photos.
Zrobiłem setkę zdjęć na tym wyjeździe.
I took a hundred photos on this trip.
Here, 'setka' refers to a hundred units of distance, specifically meters, commonly used in sports.
Po biegu na setkę byłem bardzo zmęczony.
After the hundred-meter sprint, I was very tired.
In this context, 'setka' colloquially refers to a standard unit of 100 milliliters, often used when discussing drinks.