Sonic: Half-Priced Cheeseburgers All Day On May 31st

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Tomorrow, May 31st, participating Sonic Drive-Ins are offering 1/2 price single patty Cheeseburgers all day long. Just mention this deal when ordering – no coupon needed! Head on over here for more details.

And, you can also grab a Sonic BoomBox for just $5!  This includes a 6 inch Hot Dog, a Jr. Deluxe Cheeseburger, Medium Tots or Fries and a Medium Drink!