deep-six
VerbWordNet 3.0
Verb (2)
- toss out; get rid of“deep-six these old souvenirs!”Synonyms: give it the deep six
- throw from a boatSynonyms: throw overboard
Webster's Dictionary (GCIDE)
deep-six \deep-six\ v. t.
1.to discard in a deep body of water; -- also used figuratively, to discard contemptuously.
Syn: deep six, give it the deep six. [WordNet 1.5]
2.to throw from a boat into the water.
Syn: deep six, throw overboard. [WordNet 1.5]