She was the epic bitch? Look who was talking, princess. She tries to be nice and how do they repay her? One of these days she knew she was likely to end up on the wrong end of that knife. But until then, the Winchesters were amusing if nothing else. And it was definitely better to have some back up.
Meg clutched her angel blade tighter. "Damn it... You need to get out of here while I hold off the mutts. Got it? Cas is waiting. Go. Find Sam."