When the magnetic stripe on your ATM, Credit, or other card fails to work. Meanwhile the cashier is getting tired of running your card, and the people in line behind you are getting tired of waiting on you and your "Maybe I have money card."

when you're hungover as shit after a spending a night drunk as a skunk

When someone is halfway through something and they end up discarding it. e.g: when someone has streaks on Snapchat and doesn’t send the next streak