Throw your weight around Informal

Use your authority, status, influence or physical presence aggressively to get your way, especially when you have no right to intimidate others.

The phrase turns a person’s «weight» into an image of power. Physical weight can be used to push, press or overpower, and figuratively it can represent rank, wealth, connections or institutional authority. To throw that weight around suggests using such advantages ostentatiously and without restraint. The idiom belongs to an extended family of English expressions involving weight as influence, such as «carry weight», but the verb «throw» makes this one particularly forceful and critical. It is not simply a neutral description of leadership or decisive action: it normally implies bullying, arrogance or misuse of a privileged position. The image is especially common in offices, politics and organizations where some people have more leverage than others. A person can throw their weight around without being physically large; what matters is the attempt to dominate through power.

The new manager keeps throwing his weight around instead of listening.

Just because you know the owner doesn’t mean you can throw your weight around.

He tried to throw his weight around at the meeting, but nobody backed him.