PWN Views 7 meanings found PWN is most often seen as internet slang for having been defeated or outplayed, and it also appears in technical settings as a shorthand for 'power on' and occasionally as a corporate acronym. Governmental Psychological Warfare Noise Regional Pitts Town, Crooked Island, Bahamas Computing Power On Internet Prince William Network Pown (defeated) Business Cash America International, Inc. Potash West Nl