Meaning: Not eat much of a meal
Example: It was horrible, so I just TOYED WITH the food.
Meaning: Consider something, but not very seriously
Example: We TOYED WITH the idea of moving to the country, but it isn't really practical.
Meaning: Move or play with something to occupy your hands
Example: He TOYED WITH his cup.
Meaning: Treat insincerely
Example: He thought she loved him but she was just TOYING WITH him.