Bad dog problems

[Buster]

Some of you know Frankie, hes generally a good dog. he has a Dark side though and I swear its friggin evil.

We know that the ****box pet store that conned Susie into buying him abused him there because hes very very temperamental. The problem is that when he does something wrong and he knows he did wrong all hell breaks loose if you try and reprimand him for doing so.

Say for example he just went out and went to the bathroom and came back in and some how magically went again in the living room. Now naturally you aren't going to be like oh you silly dog, don't do that in here. You're going to let him know whether its a smack on the ass or just yell at him that he cant do that in the house.

What does he do? depending on how upset he gets he could just snarl and snap at you or.... he will flip the **** out and **** and piss everywhere while attempting to tear you to pieces.

We have tried everything but a trainer because we cant afford it. we've tried being calm with him and we have also tried taking him and putting him in his pen until he calms down. He is almost 2 and we have had him over a year and I just don't want someone to get hurt.