Yep, you read it right.
The giveaway follows the nationwide release of two new Big Mac sandwiches: the Mac Jr. and Grand Mac. According to the fast-food chain, the new burgers will be sold through March 20.
The changes were made after news that only 1-in-5 millennials had tried the Big Mac.
A new-Mac-Sandwich-sizes party needs epic party favors?like 10k bottles of Special Sauce. Tomorrow find out when/where you might get one! ?? pic.twitter.com/nbT0GVrI8l— McDonald's (@McDonalds) January 24, 2017
Limited-edition bottles of the Big Mac Special Sauce will be available Thursday at participating restaurants across the U.S.
For a chance to get a bottle, the company said to follow McDonald's social media pages or download its iMessage app: "Big Mac Special Sauce Finder."
Find a participating location and use this secret code phrase: "There's a Big Mac for that." If they have a bottle, they will give it to you!