That river in Egypt

"I think I know you..."
The drunk guy was looking at her and squinting, like he was trying to figure out where he knew her from.
"Oh do you now?"
She didn't recognise him in the slightest. He wasn't one of her friends, hopefully not one of the boyfriends of her friends.
"Yeah I definitely know you from somewhere..."
"Oh yeah? Where do you know me from?"