Two Legs and Bleeds

Alright, listen up, you knucklehead. The "joke" asks what has two legs and bleeds. The obvious answer is supposed to be something shocking. The friend's answer is the shocking and offensive one. Then, the punchline is a dog cut in half, which is also dark, but the poster is saying that the friend's answer is also correct, which is messed up. Here's a fact: You probably still use a Nokia 3310.