A person who is a frequent rider of the band wagon. They always follow the trends and what is currently hot. These are the kind of people who always do the those new stupid dances that keep coming out and hop on any new artist that is just coming up. They are also known as dick riders.

a person who says lol after every sentence, even if the thing they said is not funny, at all.

A person who comes to the Emergency Room on a regular basis for non-emergent complaints, particularly those relating to chronic pain. Refers to someone who wastes the ER doctor's time and/or tries to get unnecessary narcotics from the doctor.

Someone who is constantly high on cheap or unreliable drugs, such as Pot or Crack

Someone who you end up going home with after every party.

Known to EMTs and paramedics, an individual who calls 911 often for an ambulance. The caller may be a mental patient or one who seeks attention or a ride to the hospital where he/she will acquire free food, air-conditioning in the summer, or pain medications. Occasionally, a frequent flyer is an individual who has a serious ongoing medical problem but doesn't take care of him/herself and frequently becomes ill to the point where 911 must be summoned.

Somebody who uses class A drugs often.

i.e is frequently flying