This is the 986th most frequent Swedish word.
rasmus
"Rasmus" is a Swedish male first name, equivalent to "Erasmus" in English.
Here, 'rasmus' is used metaphorically to describe chaotic or busy circumstances, showing its extended colloquial usage.
Det var en riktig rasmus av händelser under helgen.
It was a real commotion of events during the weekend.
In this context, 'Rasmus' refers to the person who performed the action, demonstrating its possessive relationship in the sentence.
Har du sett boken som Rasmus lämnade på bordet?
Have you seen the book that Rasmus left on the table?
In this sentence, 'Rasmus' is used as a proper noun, specifically a given name of a person.