What's an embarrassing moment that still sticks with you?

There are so many. When I was in middle school I joined a youth group Bible camp. I'd never attended the youth group, so I didn't really know anyone. And there was a boy called Jake. Who I accidentally called Jace. And I then explained that I was used to saying Jace because that is the name of my dog. I think if I'd just said "oh sorry" it wouldn't have stuck with me, but I said the most embarrassing thing I could have