What does "sup" mean in WhatsApp?

What does "sup" mean in WhatsApp - briefly?

"Sup" is a casual greeting commonly used on WhatsApp and other messaging platforms. It is short for "what's up," which is a way to ask how someone is doing or what they are up to.

What does "sup" mean in WhatsApp - in detail?

The term "sup" is a colloquial abbreviation commonly used in messaging platforms like WhatsApp, derived from the phrase "what's up?" This informal greeting is often employed to initiate a conversation or check in with someone casually. The use of "sup" reflects the evolving language trends in digital communication, where brevity and efficiency are valued. It signifies a friendly and approachable tone, making it a popular choice among users who prefer a more relaxed and casual interaction style.