This is the 15074th most frequent Polish word.
rugować
To expel or remove, especially from school.
Here, 'rugować' is used to mean verbally reprimanding someone for their actions.
Nauczyciel ruguje ucznia za nieprzygotowanie.
The teacher scolds the student for being unprepared.
In this sentence, 'rugować' denotes a formal scolding by a person in a position of authority.
Kierownik firmy rugował pracowników za błędy w projekcie.
The company manager scolded the employees for the mistakes in the project.
This usage of 'rugować' illustrates informal reprimanding by a parent towards a child.