This is the 283rd most frequent Slovenian word.
desus
"DeSUS" is an acronym for "Demokratična stranka upokojencev Slovenije," meaning "Democratic Party of Pensioners of Slovenia."
Here, 'desus' is mentioned specifically as a lexical item, not used in a conventional grammatical sense.
V slovenščini beseda 'desus' nima uporabljene splošne rabe.
In Slovenian, the word 'desus' does not have general usage.
In this sentence, 'desus' emphasizes the intensity of the adjective 'zanimiva' (interesting).
Naša razprava je bila desus zanimiva.
Our discussion was quite interesting.
In this context, 'DeSUS' is a proper noun referring to the Democratic Party of Pensioners of Slovenia.