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Sonic 1/2 price milkshakes today
Sonic Drive-In is 1/2 price shakes on Thursday, March 17! Read on for the details.
Posted — UpdatedSonic Drive-In is offering 1/2 price shakes today, Thursday, March 17, 2016!
You can see more details on their website.
As always, this offer is for participating locations. You may want to call your Sonic to see if they are honoring this promotion before you head over there. The offer is only valid on 3/17/16.
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