What is the drug that Skittles refers to?

The term "Skittles" is often used as slang for the drug MDMA, also known as ecstasy or molly. This name comes from the colorful appearance of the drug, which resembles the rainbow-colored candy. MDMA is known for its psychoactive effects, including heightened sensations and emotional warmth, but it also carries risks of adverse health effects and potential for addiction. It is illegal in many places and is often associated with party or club scenes.