Definition of phone phreak in US English:

phone phreak

(also phone freak)

noun

  • A person who fraudulently uses an electronic device to avoid paying for telephone calls or connections, or to make long-distance calls at cheap rate.

Origin

1970s. From phone + phreak. Compare phone phreaking.

Pronunciation

phone phreak

/ˈfəʊn ˌfriːk/