1
general::
dally with sb
( also dally with sb's affections )
to be romantically or sexually involved with someone, usually for a short time, without really loving them
• It's cruel the way she just dallies with his affections., dally with sth
to consider or imagine an idea, subject or plan, but not in a serious way
• He had occasionally dallied with the idea of starting his own business, but he had never actually done anything about it.
Cambridge-Phrasal Verbs