Definition & Meaning of "what's popping"in English

What does "what's popping" mean in slang?

The phrase "what's popping" is an informal greeting meaning "what's going on" or "what's new." The structure uses "popping" metaphorically to suggest activity, excitement, or things happening. It is commonly used in casual conversation and texting, especially in youth and internet slang. The expression gained wider popularity through hip-hop culture and social media, where it is used as a friendly, energetic way to start a conversation.