skidoo (v.)youdaoicibaDictYouDict[skidoo 词源字典]
a vogue word of 1905, "to leave in a hurry," perhaps a variant of skedaddle (q.v.). The association with twenty-three is as old as the word, but the exact connection is obscure.
Then skidoo, little girl, skidoo.
23 is the number for you.
[1906]
[skidoo etymology, skidoo origin, 英语词源]