The Double Gulp (dub G) is a 64oz (1.9L) self-serve fountain drink that costs roughly $1.03 US. It is sold along with the smaller sized drinks the Gulp, Big Gulp, and Super Big Gulp at 7-Eleven convenience stores. This happens to be the largest mass produced fountain drink. Customers who bring back their Double Gulp to 7-Eleven pay only 72 cents to refill their cup.
"Hey you wanna go get a dub G?"
"Sure"
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