From Longman Dictionary of Contemporary Englishblow/clear the cobwebs awayblow/clear the cobwebs awayCLEAR/EASY TO UNDERSTANDto do something, especially go outside, in order to help yourself to think more clearly and feel better → web A brisk walk will soon blow the cobwebs away. → cobweb
Examples from the Corpus
blow/clear the cobwebs away• Talk about blowing the cobwebs away!• It will blow the cobwebs away. 