Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym NACK is...

NACK is

  • Network of Anyone Collecting Keychains

More Meanings For NACK:

  • Negative ACKnowledge
  • Negative ACKnowledge
  • Negative ACKnowledge
  • Negative ACKnowledge
  • Network of Anyone Collecting Keychains

NACK is also in:

Acronym Definition Searched: FCFS 18455 AGEL SXSX 79185 HOT HSA BRLZ DCI 87Y ICNAF DOU WV UPFMI-10 UNICEF