When a server, who doesn't inform a guest that the gratuity has already been added to the bill...and the guest leaves a gratuity on top of the total of the bill. Usually accidental when guest pays with cash, but can happen purposely with an additional gratuity line on a credit card receipt.
by atmedved February 14, 2012
Get the double grat mug.A restaurant server not informing their guest that a gratuity has already been posted to their check (as is policy in many establishments on tables of 6 or 8 or more guests), thereby the guest tips again not realizing it has been included, resulting in the waiter receiving, basically, a double gratuity.
by chance tripper January 25, 2011
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