Hund

Hund can also be used as a german cuss word.

It means "dog" and is often used for people who are acting like a mut (or are a manly whore).
Sometimes "Hund" is also the short form the word "Hundesohn" (son of a dog). Which is reffering to the cuss word "Hurensohn" (son of a bith).
It is more comen to use it against men.

Friend 1: You Hund!
Friend 2: :(