Go Figure

The internet slang term “Go Figure” is used to express surprise or disbelief about something that is unexpected or strange. It typically implies that the speaker finds the situation puzzling or ironic.

Examples:
1. I spent hours researching the perfect diet plan, and now I find out that chocolate is actually good for weight loss, go figure!
2. I was in a rush to catch the train, and as luck would have it, it was delayed. Go figure, right when I needed it the most!