haul off and do
haul off and (do something)
1. To recoil or pull back before taking some action. I can't believe that guy just hauled off and punched you!
2. To do something with little forethought. For the sake of my bank account, I had to stop hauling off and buying new clothes every time I got upset.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
haul off and do something
1. Inf. to draw back and do something, such as strike a person. She hauled off and slapped him hard. Max hauled off and poked Lefty in the nose.
2. Rur. to do something without a great deal of preparation. The old man hauled off and bought himself a house. Someday, I'm going to haul off and buy me a new car.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.