Has anyone else done this? I did but it wasn't the warm feel good type of pay it forward. I was at Starbucks and had just pulled up to the first menu sign. I wasn't there 5 seconds when a beat up truck pulled up behind me and started honking like I was holding up traffic. Nobody was behind him and 1 car was in front of me. When I got to the second sign where you order, he did it again so I was getting a little irritated. When I got to the window to pay, I paid for his too (only because I had a gift card and his was only 4.25). So when I was leaving, I pulled forward about 4 feet so he couldn't pull up to the window. I flipped him off and sat there for about a minute before I drove off.