The 'Mad Because Small' meme typically features images of tiny animals, such as kittens, birds, or frogs, looking unexpectedly aggressive or grumpy. The humor stems from the juxtaposition of their non-threatening size and their intense expressions, often captioned with the iconic phrases 'Mad Because Small' and 'Jealous of Tall.' This internet trope gained significant traction on platforms like Tumblr and Twitter, evolving into a relatable way to describe 'short king' energy or anyone with a feisty personality despite their stature. It has since expanded to include various animals and even fictional characters, becoming a staple for wholesome yet sassy social media content.