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Verb: deep-six  deep siks
Usage: N. Amer, informal
  1. Toss out; get rid of
    "deep-six these old souvenirs!";
    - give it the deep six
  2. Throw from a boat
    - throw overboard

Derived forms: deep-sixes, deep-sixing, deep-sixed

Type of: cast aside, cast away, cast out, chuck out, discard, dispose, fling, put away, throw, throw away, throw out, toss, toss away, toss out, wing