Get a FREE Slush From Sonic!
There aren’t many places you can get a great slush.
Luckily, Sonic is a place where you can get a great slush. Not only that, you can get a free one! When you download the Sonic rewards app, you’ll get an offer that’s redeemable for a free slush. Just don’t get too excited and drink it fast or you may risk a killer brain freeze.