Top Definition
A devious shopper who sees a full and unattended shopping buggy of unpaid goods, in Costco (for example), and decides to adopt it as his own.
I was shopping at Costco and went into the cold storage to get some frozen goods, when I came back the cart was gone along with the items that I picked already, Some cartnapper had taken it.
by tissutech August 13, 2010

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