To leave town, usually hastily. We need to blow town now—the boss has pieced together that we're the ones who stole the money.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
tv. to get out of town, probably in a hurry. (Underworld.) I gotta pack and blow town. The cops are onto me.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.