Dawdle - To delay by taking more time than necessary

"Johnny!" his mother shouted, "we have to catch the train in 30 minutes, so would you please finish getting dressed and stop dawdling."

Fred told his family that if they continued to dawdle and not finish packing their suitcases, that they would miss their plane.

Before the big test, Samantha dawdled all day doing everything except study, so she wasn't surprised when she didn't get a passing grade.