04/20/2012 01:56 pm ET Updated Jun 20, 2012

The 9 Craziest Restaurant Tips

Everyone who's worked in a restaurant has at least one story about a crazy tip. There are customers who leave no extra money even though you've done nothing wrong, folks who leave way too much on a small check and even a special few who decide to leave a noncash gratuity (Wendy's gift card, really?). We've reached out to some veterans of the industry who shared some of their favorite tipping tales for good and for bad. Click through the below slideshow to hear about some out-of-the-ordinary offerings, and, for the record, when someone offers to tip you $100 if you make out with them, the answer should probably be "no."

[Also see: Is Cash No Longer King? The Future of How We'll Pay in Restaurants]