Thanks, But No Spanks, Part 2

An older lady comes up to my register with a lot of groceries. As I am scanning her items, a young male customer who comes in every morning to get an energy drink gets in line behind her. 

Female Customer: *To me* “You remind me of my grandchildren!”

I’m unsure of how to take this.

Me: “Oh, well, thank you.”

Female Customer: “You know what I like to do with my grandchildren?”

She leans in over the conveyor belt and says with a wink:

Female Customer: “Spank them.”

I am so taken aback, I don’t even know how to respond. I look at the guy behind her, and his eyes go wide open, too. 

I am stammering, trying to think of some way to make this conversation appropriate, but I can’t think of anything. The old lady then turns to the guy behind her:

Female Customer: “You’ll help me spank him, won’t you?”

Male Customer: *Completely red-faced* “Oh, um, I don’t know, yeah, I guess.”

I was so taken aback and embarrassed by the whole conversation that I didn’t even say anything for the rest of the transaction. After the lady left, the other customer — who was apparently okay with helping an old lady spank another young guy — refused to look at me for his whole transaction. I never saw either of them ever again.

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Thanks, But No Spanks