Would he have loved me anyway even if I hadn't slipped that powerful charm into his drink?

You slip it into a girl's drink, and she's knocked out in less than a minute.

She couldn't say for a fact that Jason had slipped it into her drink.

One night she slipped a sleeping sedative into Victor's drink.

In one case, the pill was slipped into the woman's drink while she visited the defendant.

There, the men would slip a few knock-out drops into a man's drink, and then lead him away from the bar.

"I thought of slipping something into her drink," Duncan said.

That or some experimental hallucinogenics the Americans had slipped into his drink at their base on the surface.

"I'll mix up some truth herbs and see if I can slip them into his drink."

It is also not new to slip something into somebody's drink to incapacitate them.