I was waiting on a really pleasent married couple and we were joking the entire time. They finish their meal and as I drop the check I say to the women of the table,”Ma’am, I’m obligated by policy to offer you an after dinner mint, but please don’t think I personally am making any judgement on your obviously pleasant and fragrant breath.” With that I placed a single mint by her plate, I turned her man and said, “Here.” and I emptied my apron pocket of about a hundred mints straight into this guys lap. I’ve never gotten such a good tip for being so rude! They started crying they were laughing so hard. :D
-Ryan
Break Room Stories 
Very funny, but you were lucky they had a sense of humor.