UPPITY WHITE BITCH: I'd like an extra shot of tequila. This [house] margarita isn't strong enough. And I don't want...
ME:...I know, I know. You don't want to be charged for it. Sorry, I can't just give shots for free.
UPPITY WHITE BITCH: Uhhhhmmmmmmm...remember what happened last time you charged me? I took it out of your tip.
ME: The last time you were here was with a group of eight people and the tip was already included. Just like it will be tonight with your party of ten. I'll be right back with that shot.