Feeling Retro? Louisville's Go Go Guerrilla Army is meeting in secret for a Pinups and Greasers Ice Cream Social [3]this Sunday.

Go Go Guerrilla keeps the location of their flash mobs and parties a secret until 24 hours in advance. You'll know what you're doing, but not where you're going.

This time, rumor has it they're taking over a building where I suspect the architect went a little mad while planning. Why else would someone build a two story triangle with a wrap-around awning? Trust me, you can't wait to see it. Join the Go Go Guerrilla [4]Army to get the address.

The awesome Rockabilly band "Mudflap" will be playing outside.  Inside, get your root beer floats topped with Irish Creme in a Guinness Pint glass you can take home.

For those of you guys and dolls who want to look the part, come dressed in your retro-wear. They'll have a stylist on duty to do some quick pinup hair and maybe even a henna artist for those of you who need some temporary tattoos.

Ladies, we can't be held responsible if you're so darn sexy the Jet you bring gets into a fight with that Shark who can't keep his eyes off you, although we promise to applaud madly if they break into a musical.

Cool drinks, hot music, and stealthy funtimes abound for all you bad boys and girls.

Full disclosure - in addition to writing for Louisville.com, Chris-Rachael is the Rebel Leader of the Go Go Guerrilla Army. We don't hold it against her.