Sonic Drive-in has slushes for just 79 cents in a one-day special on Thursday, March 22, 2018.
Get medium Famous and Real Fruit Slushes for 79 cents all day.
For more details see the Sonic Deals Page.
* Offer includes 79c Med. Single Flavor Famous or Real Fruit Slush. Tax and add-ins cost extra. Valid March 22, 2018. Not good in conjunction with Order Ahead or any other offer. Limited time only at participating SONIC Drive-Ins.