Someone who likes to explore the workings of the telephone system, such as switching, call routing, etc. Phreaks are always trying to keep up with the latest telecom innovations.

Phreak (or phreaking/phreaker) is a term used to describe the early hackers in the late 70's-early 90's who manipulated the tone-based telephone switching systems to conduct unauthorized activity within that system. Although these "phreakers" rarely had malicious intent, their curiosity often got them arrested and heavily punished.

A form of hacking, as applied to telephone networks. Phone phreaks exploit weaknesses in the phone system to make long-distance calls for free, tap into other's calls, take control of lines, get free phone services, and the like.

Phreaks (or phreakers) are usually motivated more by technical curiosity and the hacker ethos than any criminal intent (although phreaking is most certainly illegal). To bounce a call through a dozen different switching systems around the world, to your friend next door - all for free - is regarded by phreaks as an accomplishment. The fact that they are committing fraud and felonies in the process is regarded as incidental - or perhaps part of the fun.

The tools of phreaking often take the form of "boxes", such as the blue box, red box, or beige box. These devices - whose names refer to their function, not their actual color - generate various useful audio frequencies or electrical signals. The "red box", which allows you to make free calls from pay phones, is the easiest to build and can be assembled using two parts from Radio Shack that cost less than ten dollars.

The archetypal phone phreak is John Draper, aka Captain Crunch, who began phreaking on the West Coast in the 1960s.

The practice of phreaking has declined in recent years, as phone networks have been upgraded from old analog systems to newer, less vulnerable digital systems.

The Exploration of the Telephone System, through any means necessary.

David 'Phreak' Turley is a member of Riot, the creators of League of Legends.

Hailing from the competitive Warcraft 3 scene, David “Top 5 World” “Phreak” Bringing his Northern California pride with him, David (known as Phreak in the Riot office) was told by his pro-team’s manager’s ex-roommate David Dunne to apply for an internship at Riot. After taking #1 on the normal games ladder in December 2009 and proving that he could talk just as fast when referencing League of Legends, he was instantly hired and stuck out to make a name for himself in the eyes of all the League’s summoners.

Phreak is in charge of the League of Legends Champion Spotlights on YouTube.

Phreak also is a great dancer and always makes sure to deal tons of damage.

as an expansion on a previously posted deffinition:

A phreak is anyone who explores phone systems. Basically a phone hacker

A term of exclamation used to describe a person, in reaction to something silly and/or humourous they say.

Not necessarily used as an insult, this term is most commonly used as a term of endearment and should never be taken seriously.

Taken from a combination of the words freak and prick.

The pure art of achieving free phone calls through the use of a colored box. The two main boxes are the Blue Box and Red Box. The Blue Box puts you in an empty tandam from which you can dial anywhere in the world, where the Red Box imitates the tones of the coins droping into the phone. However, these boxes no longer work on most pay phones anymore due to the digitizing of switches.

Pretty Hot Really Exciting And Kinky
Self defined, usually given to a Provert.