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| KO [ kay ṓ ] |
noun (plural KO's) |
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| Definition: |
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knockout: a knockout, especially in boxing
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transitive verb (past and past participle KO'd, present participle KO'ing, 3rd person present singular KO's) |
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| Definition: |
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knock somebody out: to knock somebody out, especially in boxing
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| [Early 20th century. < the initial letters of knock out] |
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