kamphund

From kamp (“fight”) +‎ hund (“dog”).

kamphund c

1. an attack dog used in dogfighting
2. (colloquial, sometimes derogatory) a dog of a breed historically used in dogfighting (or with admixture of such breeds), like a pit bull terrier

   Kunde han inte skaffat en golden retriever eller nåt istället för en jäkla kamphund?

   Couldn't he have gotten a Golden Retriever or something instead of a bloody fighting dog?

Sometimes more generally about dogs thought to be scary.

• kamphund in Svensk ordbok (SO)