"Toli3 Bi Booz El Madfa3 - طلع ببوز المدفع": Lebanese Slang, literally means "he was put at the tip of the canon", metaphorically refers to someone who has taken the blame generally on behalf of someone else or a whole group, i.e. was the sacrificial lamb.

Sample conversation:

Person 1: "you remember that night when we were out and a big fight happened"

Person 2: "yes, I remember, it was these two big guys going at each other! but poor Tarek, he was standing there minding his own business, and I think ended up getting punched in the face! poor him, when the fight started, he was standing too close to one of the guys, toli3 bi booz el madfa3!"