Top Definition
Creating and promoting strategies for the Warhammer Fantasy or Warhammer 40,000 tabletop miniatures games without actually testing them on the battlefield. Most especially found on message boards.
Internet guy A: The Thousand Sons are unstoppable because they have two wounds.

Internet guy B: What a load of theoryhammer.
by Sonobovich October 18, 2005
6 Words related to theoryhammer

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