Context: I didn't notice that I had a sock stuck to the back of my shirt all day! 
Speaker 1: I didn't notice but I was walking around all day with a sock on my shirt! 
Speaker 2: Haha that's hilarious! Where was it at on your shirt?
Speaker 1: On my back! I went to work like this! 
Speaker 2: Oh no! I hope your coworkers went easy on you about it. You must've had a lot of static electricity.