As anybody who’s worked in customer service will know, rude people can try the patience of even the saintliest of people. After all, even the worst customer is always right, and so no matter what people say or do to you, you’ve just got to suck it up and take it like a good employee.

If, however you’ve had enough of politely smiling and nodding all the time to rude customers’ demands, check out these funny comics for some best comebacks to deliver to your most annoying customers. They were made for CollegeHumor by a cartoonist called AC Stuart, AKA NoobtheLoser, and we’re sure they’ll resonate with anybody who’s spent any time working in the service industry. Don’t forget to turn on your sense of humor while scrolling to the very end!

More info: NoobtheLoser (h/t: CollegeHumor)