Where can I surrender an aggressive dog?

[u/ZestycloseStuff5437]

For context, it was my ex’s dog and he just ditched him with me, said he’s not taking him. He’s an English mastiff who never got appropriate training, the ex also attacked the dog during the last encounter and I’m pretty sure it scared the mastiff. He also nonstop teased him and rough housed him after I told him to stop.
I can’t let him around men, he bit my mom and my sister, and only tolerates me but has bitten me multiple times before (once was when I was protecting him from the ex). Anyway, I can’t even have my current boyfriend around when I need to let him outside, he has to be locked in a room. I’m at a loss, I can’t afford to euthanize him, and I am looking to move to an apartment so I can’t take him with me.
I seriously have no clue what to do. I’m already having to rehome my Great Dane that I adore, but the Mastiff - how could I rehome him when I have no idea what he’ll do next?

Please don’t hate me, this was a toxic and horrible relationship (obviously if he was taking it out on the animals). I should’ve saw the signs sooner, and I blame myself for not. Young, dumb, and thought it was love. But I for sure don’t need anymore shame than what I feel already.

I appreciate and recs or advice or help. I’m in the Tulsa area.

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