Look up jam in
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Jamming may mean:

• Interfering with communications or surveillance:
  • Radio jamming
  • Radar jamming and deception
  • Mobile phone jammer
  • E-mail jamming
• Jamming (dance), cheered show-offs during social dancing
• Jamming (fanzine), a UK music fanzine of the 1970s–80s
• Jamming (physics), an apparent changes of physical state
• Jamming (song), from Bob Marley's album Exodus
• Culture jamming, criticizing mass media through its own methods
• Jam session, a semi-improvised rock or jazz performance
• A rock climbing technique

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