What does shake out mean?
shake out
Definition
To shake a cloth hard so that dust and crumbs fall off it.
Example sentences
Shake that blanket out on the balcony, it's full of crumbs.
I shook the rug out and half the beach fell off it.
Shake out the entrance mat outside, please; the lobby is already full of grit.
Shake out the entrance mat outside, please; the lobby is already full of grit.