Wiktionary
vb. 1 (context transitive English) to toy with 2 (context transitive English) to mock
Usage examples of "trifle with".
Further reflection convinced him that no attempt would be made to trifle with her affections: it was unlikely that so noted a connoisseur of beauty as Alverstoke would deem her worthy of a second glance.
It was also against the law for an unauthorized person to trifle with the mind.
Warkworth and Lord Fleetwood said that it was rather too bad of the Nonpareil to trifle with the season’.
Commonsense told her that he was merely alleviating boredom with a little dalliance, probably thinking (for she was persuaded he would not wantonly trifle with any female's affections) that she was past the age of being taken in by his light advances.
All magic is my domain, and all who work it or trifle with it without my blessing shall suffer.
He scratched the dog's ears, and since Brianna wasn't around to see, decided to share the trifle with his canine companion.