Fill 'er up: 7-Eleven will let you consume all the Slurpee you want on 'BYO Cup Day'

If you're the type who scoffs at the size of a Big Gulp, you'll be pleased to know that on Saturday, 7-Elevens across the United States will let customers fill up almost any gigantic container they want with Slurpee during "Bring Your Own Cup Day."

For $1.49 — the average price of a 22-ounce Slurpee — you can top off any cup or cup-like item with all the red dye and slush that will fit. Of course, there are some rules, primarily that the receptacle cannot be any larger than 10 inches in diameter. For those creative types who might look at a trash can or boot and see a cup, that's not allowed — a trash can is too big, 7-Eleven says, and a shoe is just disgusting. Cheaters, beware: There will be a display set up next to the Slurpee machine, and if your cup doesn’t fit the 10-inch diameter hole, you're done.

Of course, if you don't feel like bringing a crock pot or kiddie swimming pool with you to 7-Eleven, you can always just grab one of the regular plastic cups they always supply and walk away with a measly 40 ounces.

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