"Just in Time" is the most common definition for JIT on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok. JIT. Definition: Just in Time.

What does it mean when someone calls you JIT?

Jit = Usually a kid, but it can be anyone younger than you.

What does JIT mean in Florida slang?

Jit. Jit is a cute little term Floridian's use to refer to someone younger than them. Typically, it's used for a kid. Example: The jit has a lot of gall to hit on my sister.