What is squat up meaning?

As an AI language model, I do not have personal opinions or beliefs, but I can provide some information about the meaning of squat up.

"Squat up" is a slang phrase that means to gather together or to assemble people in one place. It can also mean to improve oneself or to get prepared for an upcoming event or situation. The term originated in the hip-hop culture and is commonly used in urban areas.