To go viral you must observe your environment seeing what is trending and try adding value in best way that we make people shift there attention towards what you have made.
Get to know what motivate people, what brings out their true colors. you know humans are deceitful sometimes, so they always like seeing things being revealed about them.
People are always scared to say what others may reject. But in truth we all seem to fall for the same old mistakes, dramas, etc that people have been doing for ions. When we recognize we all do those things, then we willingly laugh at the silly things others do, because it is only human to fall into the trap of silliness.