1. phreaking - Noun
2. phreaking - Verb
English Wikipedia has an article on:phreakingWikipedia
phreaking (uncountable)
The cracking or exploring of a telephone system, e.g. trying to get free calls or to discover special service numbers or other internal technical information.
phreaking
present participle of phreak
Phreaking is the process of exploiting telephone networks, used here because of its connection to eavesdropping. Source: Internet
Phreaking refers to the hacking of telephone systems and other non-Internet equipment. Source: Internet