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intr.v. phreaked, phreak·ing, phreaks Slang
To manipulate a telephone system illicitly to allow one to make calls without paying for them.

[Alteration of freak (influenced by phone).]

phreak′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Telecommunications) the act of gaining unauthorized access to telecommunication systems, esp to obtain free calls
[C20: blend of freaking + phone]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Aresurgence of the old days of "phone phreaking"--hacking into phone systems--led to a crackdown late last year on "swatting," a more aggressive type of phone phreaking.
Blind from birth, he burst onto the phone phreaking scene late 2004 when a neighbor gave him the number of a telephone party line called the Boston Raven.
The surprisingly lengthy history of "hacking"--stretching back before the personal-computer era to '60s countercultural "phone phreaking"--is limned in Jennifer Read's diverting docu "Owned." Issues of cyber-age privacy, information access, free speech and subterfuge have been explored in prior nonfictioners.