Warning: do not actually try these. Actually, warning: do not try pick-up lines, ever.
Feel free, however, to try them out on your fellow Civ fanatics, who you might actually get a chuckle out of.
Or me, if you want to see a grown man get weak in the knees at the mention of Mehal sefari, try one on me.
Baby, I got more luxury resources than The Netherlands.
Baby are you the Shoshone because you've given me a great expanse.
I adopted Piety so I could worship you.
Baby I'd bully a city-state for you.
You make me happier than Notre Dame.
You're my capital and I'm your Mehal sefari, the closer I am to you, the stronger I feel.
Credit to TheRoss4 and his buddies for drawing up a fairly big list of these, but some weren't that great, and others were a little gross, so I had to pick some highlights. Head here, though, if you want to read their full efforts.