brush down

Verb

 * 1)  To remove something with a brush, or ones hands using a downward brushing motion.
 * 2)  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.

Usage notes

 * In all senses the object (if mentioned) may appear before or after the particle. If the object is a pronoun, then it must be before the particle.