Yes, they are more common than you might think. People often find themselves in awkward sexual situations due to miscommunication, over - enthusiasm or just bad timing. For example, a person might accidentally call their new partner by the wrong name during an intimate moment, which is extremely cringe.
Fanfiction can be cringe for various reasons. Sometimes, it's due to inconsistent character development or plots that are too far-fetched. Also, grammar and spelling mistakes can make it less enjoyable.
One common cringe story is when students mispronounce words during a presentation. For example, saying 'nuclear' as 'nucular' in front of the whole class. Another is wearing the wrong clothes for a special day like wearing a costume on a normal school day thinking it was a spirit day. Also, falling while running in the hallway in front of a lot of people is quite cringe.
Once in middle school, I had a huge crush on a boy. I wrote him a really cheesy love letter and accidentally put it in the wrong locker. When the other person found it and read it out loud in front of everyone, I was so embarrassed. I felt like disappearing on the spot.
Once I was at a party. I was trying to be cool and do a dance move I thought was amazing. But as I started, I tripped over my own feet and landed right in front of the DJ booth. Everyone stared at me. It was so embarrassing.
Well, I once knew a girl whose first kiss was during a school play rehearsal. She was supposed to just act like she was kissing the guy, but he actually went in for a real kiss. She was so shocked and it was super awkward. Everyone on stage kind of just froze for a moment.
One characteristic is overly clichéd storylines. For example, the 'rich guy falls for the poor girl' plot that has been done to death. Another is cheesy dialogue. Lines like 'You are the only star in my sky' can be really cringe - inducing. Also, some cringe romance novels have unrealistic character development where the characters change completely out of the blue just for the sake of a happy ending.
One cringe first date story is when a guy took his date to a really fancy restaurant but then realized he left his wallet at home. He had to call his mom to bring it while his date just sat there awkwardly. It was so embarrassing.
Well, once in my school, there was a boy who tried to do a magic trick during a talent show. He was supposed to make a rabbit appear from a hat. But instead, he pulled out a bunch of socks. It was so cringe. Everyone was just staring in disbelief and then burst out laughing.