EnglishEdit

EtymologyEdit

war +‎ chalk, modelled on war-dialing.

VerbEdit

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warchalk ‎(third-person singular simple present warchalks, present participle warchalking, simple past and past participle warchalked)

  1. To draw chalk symbols in public places (such as the side of a building or a sidewalk) to show users of computers with Wi-Fi capability where a wireless network may be accessed.
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