A person with Postural Orthostatic Tachycardia Syndrome (POTS), a type of autonomic nervous system disorder that affects multiple body systems, most importantly heart rate. One of the most common symptoms is fainting or coming close to fainting. It's a type of Dysautonomia.
When you ask for/want something but instead, for what ever reason be offed the less favorable option. e.g. Asking for a coke but instead being asked if Pepsi is okay.
Customer: I would like the chocolate fudge cake please
Waiter/Waitress: I'm sorry we are out of the chocolate fudge cake would you like the fruit platter instead?
Customer: Dam i cant believe i got pepsied