This is the 429th most frequent Dutch word.
russen
"Russen" means "Russians" in English.
In this sentence, 'Russen' refers to the people of Russia.
De Russen hebben een prachtige cultuur.
The Russians have a beautiful culture.
Here, 'russen' is used colloquially as a verb, meaning 'taking a break' in some regional dialects.
Ik hoorde dat Rolf en Peter weer russen.
I heard that Rolf and Peter are taking a break again.
In this context, 'russen' refers to a type of plant or object and might be a misheard or regional term for hedgehogs or a plant species. Clarification with local context might be needed.