Is "chundo" in the song Chilanga Banda a hapax legomenon?

https://lyricstranslate.com/en/chilanga-banda-chilanga-gang.html

https://en.wikipedia.org/wiki/Hapax_legomenon

I know what a cholo is, I know what a pachuco is. Those words exist in other contexts. But I cannot find a clear definition of a chundo.

#HapaxLegomenon #ChilangaBanda #Spanish #Linguistics