The act of not tipping at a restaurant. The way voluntary tipping policy works, you get to decide what a server gets paid at a restaurant. You don't tip, they don't get payed. Therefor, if you are an asshole, you can get a 15% discount at any restaurant as long as you don't care if the server gets payed for his/her work. (could also be used as the 18% or 20% asshole discount, depending on tipping standards)
Hey, did you see that Steve did not leave a tip for the waitress? He is certainly taking advantage of the 15% asshole discount.
by Ethereal Tea December 2, 2016