America's favorite drive-in fast-food restaurant, Sonic has a lot to offer. If you love Sonic's slushes, onion rings, corn dogs and cheeseburgers, you'll want to know the inside scoop on Sonic's secret menu. Yes, that's right a secret menu to add to their ever-growing regular menu! 9 Sonic Secret Menu Items Dr. Pepper Orgasm Okay, not the most family-friendly named drink out there, but at least you'll know you're ordering something delicious from Sonic Drive-in! The Dr Pepper Orgasm is a mix of Dr Pepper, lemonade and Powerade and is available on Sonic's secret menu. Frito Pie Frito Pie on Sonic's secret menu is a generous serving of Frito chips covered with chili and nacho cheese. Grilled Ham & Cheese Grilled cheese sandwiches are magical, but when you add ham into the mix, that changes everything. Sonic serves Grilled Ham & Cheese Sandwiches, which is a twist on a classic. Filled with melted cheese and ham, there's no going back to a plain ol' grilled cheese sandwich. Pickle-O's Deep-fried pickles deserve a round of applause. They're tangy, crunchy, and deep-fried. What could be so bad? Good thing Sonic knows how to make customers happy with this secret menu item. Pickle slices dipped in their tasty batter mix and fried until golden brown. Purple Sprite Remember way back when Sprite came out with a bunch of fun flavors? Also, know as Sprite Remix. I'm brought back to those days hearing all about Sonic's secret drink option called, Purple Sprite. It's a sugary-sweet mix of Sprite, Powerade, lemonade and cranberry juice and totally refreshing. Sonic Sunrise The Sonic Sunrise is a simple concoction made with orange juice and Cherry Limeade and has that colorful 'sunrise' look to it. It's almost like a Tequila Sunrise but without the addition of tequila. Made-to-Order Burgers Sonic loves to make their customers happy, so if you have a custom burger in mind that's not on the regular menu, Sonic can do it as long as they h