Regular

A person who frequently visits a business or public establishment such as a store or restaurant. Sometimes the staff know the "regular" on a first name basis, restaurants may have their order or preferred seat memorized. Some regulars are well liked by the staff and some aren't (eg Karens).

Eddie is a regular is Meathead's BBQ. Whenever he walks in, one of the servers always says "Hi Eddie" and usually asks him "You having your usual today?" while taking him to his preferred place to sit