A happy day, the brightest in the longest time ever. When you have a dandelion day, you feel nice and soft on the inside because everything feels warm.

There are times when you're entering your partner from behind at which time she makes shat upon your curlies....at that time you both have entered the dandelion patch.

The biggest baddest gang around. They prefer to tickle their victims to death or make them have severe allergic reactions if applicable.

A permutation of the anime archetypes of "loli" and "yandere" in which a female humanoid being (or appearing to be) underaged expresses their love for their boy toy of choice through excessive acts of homicide. This term can also be used to describe underaged females who violently express their claim over a celebrity crush, be they real or fictitious.

A dandelion is a flower. But it's also a word that Jamaicans use while answering questions in class.

A subtle way to talk about blowing a guy off.

The concept of increasing the amount of something bad to such an extent that it becomes good.
The etymology comes from the fact that dandelions are actually very useful plants for dyeing, for medicine, and for food, but because people don't bother to cultivate them, they only ever show up as weeds. If people were to bother to farm them, on the other hand...
Dandelion-farming is the antithesis of oversaturation.