Top Definition
An overweight, disgusting person who thinks they're entitled to be an asshole because they paid for their membership.

They also tend to ask stupid questions and make pointless complaints and can be seen still shopping once the store is closed.
Member (while standing next to the raw meats): where is your frozen hamburger?

Employee: Did you check the freezer?

Member: No. *walks away*

Employee: What a dumbass Costco Member.
by Deli049 November 01, 2011

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