"Post up" is a commonly used term in basketball, referring to a player positioning themselves in the low post in order to receive the ball and make a scoring move. However, there are many synonyms one can use to describe this action: "back down," "establish position," "set up," "plant oneself," "occupy space," "get into the post," and "through the block." Each of these phrases conveys the same idea as "post up," emphasizing the player's physical presence and readiness to receive the ball. By employing a variety of synonyms, basketball commentators and coaches can add nuance and variation to their language, heightening the drama of the game.