Brush-down Definition

verb

Used other than as an idiom: see brush,‎ down. To remove something with a brush, or ones hands using a downward brushing motion.

Wiktionary
(idiomatic) To straighten up one's clothes and to tidy up one's appearance.
After tripping over, he picked himself up, brushed himself down, and carried on walking.
Wiktionary
Synonyms: