I'd say you're better off going alone. If you like to get involved at shows, definitely leave her at home. Trash Talk puts on such a good show and it's awesome to be a part of. It can also get fairly violent. Another reason to leave her at home.
But if you're just going to enjoy the show and have a good time, go ahead.
Like a said Trash Talk puts on a great show, I definitely recommend going. You'll have a great time!