autograt
n.β Β«The only way to fairly and legally deal with autograt is to make it truly automatic and not up to a serverβs discretion. If a server chooses to grat green people and not purple people, or short people and not tall people, the restaurant opens itself up to charges of discrimination and lawsuits.Β» ββRe: Restaurants adding gratuity when you” by Foodgeek Atlanta Cuisine Restaurant Talk (Georgia) June 15, 2006. (source: Double-Tongued Dictionary)