dally
verb.
behave carelessly or indifferently
Play about with a young girl's affection
Synonym: flirt, play, toy
verb.
waste time
Get busy--don't dally!
Synonym: dawdle
verb.
talk or behave amorously, without serious intentions
The guys always try to chat up the new secretaries|My husband never flirts with other women
Synonym: romance, philander, mash, flirt, coquette, coquet, chat up, butterfly
verb.
consider not very seriously
He is trifling with her|She plays with the thought of moving to Tasmania
Synonym: play, trifle