This is a phrase used in Australia when someone has been tricked or fooled. Usually when someone has been lured in and deceived in a cheeky way.
An example of when it is used might be if you were tricked or talked into placing a bet with someone when it was clear afterwards you couldn’t win. After you lost, the winner might say to you in a cheeky fashion ‘come in spinner’.
by Mr saucehead ranga April 3, 2022
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This is a phrase used in Australia when someone has been tricked or fooled. Usually when someone has been lured in and deceived in a cheeky way.

This phrase is also used to commence the Australian gambling game of ‘two up’.
An example of when it is used might be if you were tricked or talked into placing a casual bet with someone when it was clear afterwards you couldn’t win. After you lost, the winner might say to you in a cheeky fashion ‘come in spinner’ as a sort of gloat.

Alternate use: Usually on Anzac Day, when the gambling game ‘two up’ is played someone will say be selected as the ‘spinner’ by the rings and the other players will yell out ‘come in spinner’. The spinner may also say this prior to the toss.
by Mr saucehead ranga April 3, 2022
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An early Australianism (circa early 20th century), said during moments of anxious expectation, generally after the commencement of moments of chance, for example awaiting imminent news; the results of a sports match, or an attempted task with an unknown, random result.

Historically the phrase entered the vernacular in the first half of the 20th century, coined during betting matches of 'two-up', but the etymology may stem from roulette.
During a dice roll, while still shaking the dice: "Come in, spinner!"
by Sits De Sitsa May 8, 2020
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