This is the 193rd most frequent Polish word.
szef
"Szef" means "boss" or "chief" in English.
In this sentence, 'szef' is used to denote the speaker's superior at work, responsible for giving direction.
Mój szef zawsze ma interesujące pomysły.
My boss always has interesting ideas.
Here, 'szef' is employed informally to address someone amiably, akin to 'chief' or 'boss' in English.
Poczęstuj się, szef!
Help yourself, chief!
Here, 'szef' refers to the managerial figure or leader in charge of the company.