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| what's your twenty? (10-20 is one of the APCO Ten Signals whose development began in 1937.Some of them (unaltered or modified) were put into common use in American English in the 1970-s. VLZ_58) | |||
| what's your 20? (urbandictionary.com Deska) | |||
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| what's your twenty? (10-20 is one of the APCO Ten Signals whose development began in 1937.Some of them (unaltered or modified) were put into common use in American English in the 1970-s. VLZ_58) | |||
| what's your 20? (urbandictionary.com Deska) | |||