To waste time rather than work diligently on something. If you keep dawdling over this book report, you'll be up all night!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
dawdle over something
to waste time when one should be doing a particular task; to loaf while doing something. Don't dawdle over your hamburger. The lunch period ends in two minutes. Don't dawdle over it. Get it done.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.