This is the 8649th most frequent German word.
koppigen
"Koppigen" is not a standard German word. It might be a typo or a regional/dialectal term.
Here, 'koppigen' is used to describe someone as stubborn or obstinate, highlighting personal characteristics.
Der koppigen Junge wollte seinen Standpunkt nicht ändern.
The stubborn boy did not want to change his standpoint.
Used to describe an animal's characteristic behavior, in this case, stubbornness or resistance.
Das koppigen Pferd weigerte sich, den Fluss zu überqueren.
The obstinate horse refused to cross the river.
The word 'koppigen' describes the quality of the arguments, emphasizing their inflexibility or rigidity.