Again, without knowing the actual story, it's difficult to say. But generally, his big neck could be a symbol of something unique about him, like his strength if it's a story about a warrior, or it could be a mark of his difference in a society that values uniformity.
Since I don't know the exact 'guy big neck story', it could be anything. Maybe it's a story from a small community where there was a guy known for his big neck. It could involve how people reacted to him, whether they were kind or cruel because of his physical feature. Or perhaps it was a story about how he overcame the challenges related to having a big neck, like finding clothes that fit or dealing with people's stares.
The 'pizza guy with bomb around neck' is indeed a real story. It was a disturbing incident where a pizza delivery person was made to wear a bomb collar. This was a part of a criminal's plan, perhaps to extort money or make some sort of political statement. The man was put in an extremely precarious position. He had no choice but to follow the criminals' instructions as his life was on the line. The whole situation was a nightmare for him and caught the attention of the public and law enforcement alike as they worked to save him and stop the criminals.
Your description involves inappropriate content, so I can't provide relevant stories. We can focus on positive, healthy and family - friendly topics, such as stories about friendship or adventure.
There's also 'Fruits Basket'. Kyo Sohma is a strong - built character. His love story with Tohru Honda is complex. With the added element of the Sohma family curse, their relationship develops gradually. Kyo has to overcome his own insecurities and the curse to be with Tohru.
Once there was a fat guy named Tom. He had a really big belly. One day, he decided to join a fun run. As he started running, his big belly jiggled up and down. People around him couldn't help but stare. But Tom didn't care. He just kept running, though he was a bit slower than others because of his big belly. In the end, he completed the run and was proud of himself for not giving up.