Etymology

what's cracking

Today it means: What’s going on with you? (as a greeting) Full definition →

Middle English crak
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The story

  1. Middle English · derived fromcrak“loud conversation, bragging talk”
  2. English todaywhat's cracking

From crack, in turn from Middle English crak (“loud conversation, bragging talk”).

Words from the same roots

Middle Englishcrak all →

crakecraic killerCrathorne

Etymology from Wiktionary, CC BY-SA 4.0.