Even if you could, you’d never pick up the nuances, which is what you really need to sound like a Hassid. (otherwise, why bother?)
Only way I can see you learing the lingo is the way I learned it; (and no, it was not the language spoken at home)Start hangin’ out with the brothas (or sistuhs, as the case may be)and give it 12 months. If you don’t have it down by then, consider French.
See ya in the Shteeble!