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1) Commonly, someone who is a repeat user of a product or service, regardless of the nature of the business.

2) In healthcare, someone who is frequently showing up for similar injuries or disorders. Often, this is applied specifically in the world of drug and alcohol rehabilitation (rehab) to somebody who has tried to get sober (clean up or dry out) but has had frequent relapses. According to current statistics, the majority of addicts (80%) are likely to relapse after the first try.
1)“You watch the register, I’ll take care of Mr. Jones. Don’t worry, I’ve already got his order. It’s the same thing every day. He’s one of our frequent fliers.”

2)“Looks like we’ve got Sandy back again. Room 5. Yup, heroin again. We’ve got her on some Seroquel and an Ativan drip, so at least she’s calm this time. She’s another one of our frequent fliers.”
by Nurse Kitten August 19, 2005
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May 27 Word of the Day
The act of extreme masturbation. You must "knock one out" whilst in close proximity to any of the following; Your mum, a nun, your boss, a member of parliament, George Michael. A person with capabilities to act upon catching you mid self-abuse obvisouly ups the ante. Ejaculation must be reached before your danger wank target comes (no pun intended) to investigate. The higher the chances of being discovered with one's pants down, pulling one's war face is obviously where the danger comes from. The more danger involved the harder (or softer) it is to complete the task in hand (snigger). The more dangerous the better. The chance of being arrested, pummeled by an angry father or having your hand severed by an arab's sabre means that you are a pro "Danger wanker."
"I was in my bedroom and i shouted downstairs, "Mum there's call the police there's a madman with a set of steak knives hacking me to pieces!" As soon as I heard her scream, I dropped my trousers and commenced the danger wank. As I heard her stomp up the stairs I knew i had to be quick so i upped the pace, i heard her stumble on the top step, which bought me some time. Unfortunately for me I timed my finish badly. As my mum barged through the door armed with a rollign pin I chugged all over her. I spent the evening in A&E with concusion. Now thats what i call extreme DW"
by johnnynika May 30, 2006
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2
Someone who is constantly high on cheap or unreliable drugs, such as Pot or Crack
Hey look at that high guy!
Yeah, he's a frequent flier
DAUMMN!
by BigBallsMcgee August 21, 2005
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4
Somebody who uses class A drugs often.

i.e is frequently flying
Is John ok, he looks like he needs an ambulance ?

No, he's used to this kind of thing, he's a frequent flyer.
by Dobby August 19, 2005
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5
Someone who has a lot of patience to go through airport security numerous amounts of times.
Damn, I don't know how a frequent flier can handle the tight security here.
by Logical Thinker August 19, 2005
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6
Someone who is constantly calling the police for the most ignorant or tedious reasons. Typically calls when no emergency exists.
"No big rush to get over there, they are frequent fliers."
by MB Mart--z February 05, 2003
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