I can't believe that someone I had helped and supported would steal from me. It's 'a' real 'stab in the back'.
They don't really know how much the work will cost. They're just taking 'a stab' [='shot'] 'in the dark'.
He 'stabbed' the piece of meat with a fork. = He 'stabbed' the fork into the piece of meat.
(..) - I'm leaving! You're grabbing her breasts? What are you doing? I don't know. What does “make a move” mean? It doesn't mean stab at her breasts with your fingers. Oh, man! Come on, bro. You're ordering milk steak and jellybeans? What the hell? Come on, you guys blew it, dude! We blew it? (..)2009 TvShow: It's Always Sunny in Philadelphia Title: The Waitress Is Getting Married Season: 5 Episode 5