Give It Back- My Dildo- -yaoi- New!

This is the trope’s secret sauce. The argument over the toy is foreplay. The resistance ("Give it back") is a form of consent wrapped in panic. The seme holding the toy out of reach forces the uke to jump, to stretch, to press their bodies together. Suddenly, the toy is irrelevant. The real show begins.

If you are searching for the keyword because you want specific recommendations, here are the gold-standard titles that execute this trope perfectly: