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smacker (n.)
[smacker 词源字典]
"money," c. 1918, American English slang, perhaps from
smack
(v.1) on notion of something "smacked" into the palm of the hand. Extended form
smackeroo
is attested from 1939.
[smacker etymology, smacker origin, 英语词源]
[smacker 词源字典]