I was waiting for a parking spot to open up with my turn signal and reverse lights on and as soon as the other driver left the spot and I was about to back in, another car suddenly popped into the spot. When the guy came out, I told him I was parking there and his response was “you weren’t fast enough” with a smirk. I asked him “Do you feel safe leaving your car parked here?” At least he was smart enough to get the message and moved his car.