Ever wanted more Slurpee than a regular 7-11 cup could handle?  Then this weekend is your chance for a major brain-freeze.  The convenience store chain is holding "Bring Your Own Cup Day" from 11 a.m. to 7 p.m. Saturday and will fill customers' unique cups for around a dollar-50.  There are a few rules.

The "cup" must be:

  • clean
  • food safe
  • and fit through a ten-inch hole.

Each participating store will have a display to help customers know if their cup will fit under the Slurpee machine before purchase.   And only one cup per customer.  7-11 is asking customers to share their unique cup ideas on Twitter with the hashtag #byocupday.

Here's what BYOCup day might look like!

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