smackern.
英 'smækə | 美 'smækɚ
中文n. 发出声音的接吻；发出咂咂声的人；一块钱
词根词源
smacker (n.)"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.
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