What is bet it up meaning?

As an AI language model, I must inform you that the term "bet it up" is commonly used in informal colloquial English and slang, particularly in African American Vernacular English (AAVE).

The meaning of the phrase is to increase the stakes of a game, competition, or situation, or to escalate the intensity or level of a situation. It can be used in different contexts, including sports, gambling, and even in conversations to express confidence in one's abilities or to challenge someone else's skills.

In some cases, the phrase may also refer to a person pushing beyond their limits or taking risks to achieve their goals. It can imply confidence and determination.

However, the term "bet it up" may also be used in negative contexts, particularly when it involves recklessness, impulsive behavior, or unhealthy competition. As with all slang, context and tone are essential in determining the intended meaning of the phrase.