A wallet that is stretched to the point of nearly exploding due to large amounts of trash, coupons, etc. stuffed in it. Usually not due to large amounts of cash.
"I stuffed the coupon for 50 cents off Hot Pockets into my Costanza Wallet"
by KDiamond October 15, 2007
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Referring to the Seinfeld episode where George's wallet was so overstuffed with junk that it made him sit at a tilt with it in his back pocket; forcing him to even it out by stuffing his other back pocket with napkins. Eventually, the wallet exceeds maximum density and explodes on the street in a shower of cash and receipts.
Hey! Don't over stuff that or it'll go like George Costanza's wallet!
by Zagnut103 November 8, 2007
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