This is the 10686th most frequent German word.
riesenbolken
The word "riesenbolken" does not exist in standard German. It might be a misspelling or a regional term.
Here, 'riesenbolken' is used to describe large and significant clouds in a poetic way.
Die riesenbolken wehten über den Himmel.
The large clouds drifted across the sky.
In this sentence, 'riesenbolken' is used metaphorically to represent an overwhelming presence.
Ein riesenbolken der Neugier erfüllte den Raum.
A great cloud of curiosity filled the room.
This usage of 'riesenbolken' refers to a literal, observable large cloud of smoke.