Dally (verb)

1. To waste time in idle or frivolous activity.
2. To delay or procrastinate in getting to the point or completing a task.
3. To engage in playful or flirtatious behavior, especially with someone one is attracted to.

Origin:

From old english dælan meaning to deal or distribute. the verb sense of "dally" first appeared in the 14th century, meaning to trifle or play with something.

Examples:

1. She dallied in the garden before going to work.
2. He dallied with the idea of starting a business, but never actually did it.
3. They dallied with each other during their lunch break.
4. He was reprimanded for dallying on the job.
5. She was dallying with a new idea, but decided to stick with her original plan.