So, I took the girls aside and said something like this:

"Gosh, I'm having such a great time with you guys. You're so sweet to hang out with an old fart like me. Hey, I'm really shy about asking, but there's this party tonight, and it's gonna be a lotta hype and pictures...

I am basically a nerd, this whole pimp cane thing is not at all me, as you recall when we met earlier in the day. I dunno if you guys are gonna be into it, but it would mean the world to me if you guys came to the party with me for like an hour, take some pictures on my arm and make me look good. It would really do wonders for my nerdy image..."

They said:

"Sounds FUN!"