drop something in somebody's lap
dump something in somebody's lap

Her eyes dropped to the book in his lap, but she said nothing.

At any rate, the director dropped it in my lap and I followed developments for a few months.

Finally he dropped the mask in his lap and used both hands to open the bottle.

He'll go for it if you drop one in his lap.

You're less likely to be surprised by the next thing fate drops in your lap.

At least she had been, until the Burke case was dropped in her lap.

Anyone's would, with that kind of gift dropped in his lap.

The one he remembered that she'd tried to drop in his lap just a few days ago.

As Julie moved away, she dropped a small piece of paper in his lap.

All you had to do was sit back and wait for it to be dropped in your lap.