Memes are very popular around the internet, they are shared through multiple social media accounts. If you make a meme that somebody finds funny - they are most likely to share it to their group chats and they will send it to another group chat and it will pass on like chainmail! Many popular TikTok memes are usually 'Send To ___ Without Context' memes. This way, people will send it to others.
TikTok duets are really useful when wanting to go viral because the person you duet with could become famous. If that happens, you might become famous too becasue you dueted with them. Also, it is a good way to learn how to make your TikToks flow more smoothly.
Cosplay is helpful as it looks really good and many people will probably share your videos because they know the person you are cosplaying. People will also want to duet with you because they think that you will go viral.
Slow motion videos are a very simple form of video, they are meant to be simple but if you put extra effort into it - you will be able to set yourself apart from everyone else. You should also try to make it satisfying because that is what makes people share the video. If you make it satisfying, youtubers might even want to watch your TikTok and react to it.
Dance challenges are trending right now on TikTok. If you have a talent of dancing, you might have a higher chance of going viral. If you don't have a talent for dancing, don't worry because you can mix up everything in this list and make a meme (for example) of the dance.