People will go to extraordinary lengths on 7-Eleven’s Bring Your Own Cup day

Hey Slurpee fans, we’ve got some excellent news for you. On March 18 and 19 from 11am-7pm, 7-Eleven will be celebrating Slurpee’s 50th birthday, and they’ve invited you to celebrate with them.

The company has announced that Slurpee lovers can bring their own cups to any participating location and fill it up with as much Slurpee as it will hold. For only $1.50, you can fill your cup with your favorite flavor or combination of flavors, and then post pictures of the process using the hashtag #BYOCUPDAY.