The term 'PUT' is a three letter verb meaning to place or move something into a certain position. It is often used in the phrase 'make a fuss, ' which means to create a commotion or disturbance. Therefore, the phrase 'PUT up a fuss' means to create a disturbance or commotion in order to draw attention to a particular issue. This phrase is often used to describe someone who is trying to make their opinion heard or to protest something they disagree with.