What is best friends insult each other?

Best friends often insult each other as a form of playful banter. This may include teasing each other about their appearances, personalities, or quirks. However, it's important to note that insults should never be cruel or hurtful. Best friends insult each other in a way that's fun and lighthearted, and they know where to draw the line so as not to cause any harm or offense. This type of playful teasing can actually strengthen their friendship by creating a sense of familiarity and bonding over shared humor.