Half Priced Shakes at Sonic – All day Monday December 22nd

Sonic is featuring all of their shakes for 1/2 price all day, Monday December 22nd! No coupon necessary! Sonic has a large variety of shakes including Hot Fudge Shakes, Cheesecake Shakes, Chocolate Shakes, Strawberry Shakes and many more flavors! Visit the Sonic website for more flavors and photos! Follow Sonic on Twitter