This is the 593rd most frequent Danish word.
mikkel
"Mikkel" is a Danish male given name.
In this sentence, 'Mikkel' is used as a proper noun, specifically someone's name.
Mikkel er en god ven.
Mikkel is a good friend.
Here, 'mikkel' is a colloquial term used in Denmark to refer to a fox.
Vi så en mikkel luske forbi.
We saw a fox sneak by.
In this usage, 'Mikkel' again acts as a proper noun representing a person's name.