This is the 10276th most frequent Russian word.
бонусами
"Бонусами" means "bonuses" in English (instrumental plural form).
In this sentence, 'бонусами' is the plural instrumental form of 'бонус,' meaning 'with bonuses,' indicating the method or means used.
Компания привлекла новых клиентов бонусами.
The company attracted new customers with bonuses.
Here, 'бонусами' is again the plural instrumental form of 'бонус,' referring to the bonuses that one has received and mentioning them as the object of pride or discussion.
Хотелось бы похвастаться полученными бонусами.
One would like to boast about the received bonuses.
In this example, 'бонусами' describes in the instrumental case the bonuses provided by the company, indicating the means contributing to the employees' satisfaction.