"Hajs" is a colloquial Polish term that refers to money or cash. It is often used in everyday conversations and is popular among young people. There are many synonyms for "hajs" that are commonly used in the Polish language. Some of these include "kasa," "gotówka," "pieniądze," "szmal," "flota," "papier," "monety," and "banknoty." Each of these synonyms conveys a slightly different meaning or nuance, but they are all used interchangeably to refer to money. Whether you're talking about saving up some "pieniądze" for a rainy day or making some "flota" to splurge on a new purchase, understanding these synonyms can help you navigate conversations about money in Polish.