autograt

plural autograts

1. informalrareA gratuity automatically added to a bill.

   You should still get a good tip without the autograt if your customers are civilized people, and your work is good!

   1998, hilary gorman, “Opinions on tipping situation”, in phl.food (Usenet)

   1 more example

   I'd also dislike the change to the "autograt", because mandatory service charges are usually subject to sales tax, while tips are not, so I'd actually wind up paying more, even if I would have tipped 20% anyway.

   2006, Kevrob, “...and i won't eat at THAT place any more...”, in rec.arts.sf.fandom (Usenet)

   Synonyms: autogratuity