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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.
A Phreak is not just someone who makes "free calls"!
by Anonymous July 13, 2003
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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.
Cap'n crunch is the best known phreaker of all time because he discovered the effect of the 2600Hz tone.
by Nick Marco January 28, 2003
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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.
Phreak: Welcome to the "League of Legends Champion Spotlight". Today we will be dealing tons of damage.
by pepe69 June 21, 2013
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as an expansion on a previously posted deffinition:

A phreak is anyone who explores phone systems. Basically a phone hacker
by Chuck May 06, 2003
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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.
Friend 1: I didn't know that the buffalo has wings...

Friend 2: It doesn't! You're such a phreak!
by BelleAngel March 22, 2009
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Phreak: female who goes to great lengths to look very librarian, nun-like, even, but is a freak, just the same.
Rose, despite her mom jeans and overall dowdy appearance, was a freak, albeit a phony one...she's a Phreak!
by Lolabelle59 January 04, 2018
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(noun) A person obsessed with the illicit application of fringe technology.
In the early 1970s, phone phreaks designed and marketed little boxes that allowed the users to make unlimited free long-distance calls.
by LeRoy Greene October 24, 2004
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