What is bestie meaning?

Bestie is a colloquial term that refers to a person's closest and most trusted friend. It is derived from the word "best" and is used to describe someone who is considered the best friend or closest confidant. The term is often used among teenagers and young adults to describe the bond between two people who share a strong emotional connection. Bestie is a term that denotes a level of trust and intimacy between friends that is often not found in other relationships.