cut down to size

act one's age, not one's shoe size

Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).

clear cut

Straightforward, obvious, simple, or basic.

cut a dash

To make a display of oneself; to give a conspicuous impression.

cut a deal

To reach a negotiated agreement.

cut a figure

To present an image; to make an impression.

cut a rug

To dance, especially in a vigorous manner and in one of the dance styles of the first half of the twentieth century.

cut a swath

Alternative form of cut a wide swath.

cut a wide swath

To behave in an expansive, flagrantly showy, or pushy manner, especially in public venues; to exert sweeping influence.