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

DUMB is

  • Deep Underground Military Bunker

More Meanings For DUMB:

  • Doorknob Under My Bed
  • Deep Underground Military Bunker
  • Deep Underground Military Bunker
  • Deliberately Underachieving Makeshift Ballteam

DUMB is also in:

Acronym Definition Searched: BPL POOL TEC WILI PES LFL CEAH AMH 93435 739 DARZ JAIL BAV VPS CES