Etymonline agrees with the slang origin but also offers a couple of words from Scottish dialect and French that could have lead to bamboozle.

Etymonline也同意bamboozle来自俚语的说法，但给出了几个可能是该单词前身的苏格兰方言词和法语词。

youdao

I'd like to say a couple of words about musical notation because it affects how we deal with music, how we treat music.

我想先稍微谈一下记谱法，因为它能影响我们处理音乐的方式。

youdao

After a couple of years, the guy finally graduated and decided to further his studies overseas. Before leaving, he proposed to the girl, "I'm not very good with words, but I simply know I love you."

几年之后，男孩终于毕业了并决定去国外深造，离别之前，他向女孩求婚：“我不太善于言辞，但我知道我很爱你。”

youdao

Interdealer Broker: Right listen we've had a couple of words with them, you want them lower right?

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However, he did tell us that a rig equipped with 2GB of RAM and a dual-core processor running at 2GHz can easily support up to 6 displays showing pictures "with a little video" -- in other words: a couple of Flash videos (not 6x DivX rips) along side your Office applications.

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Turns out the brothers signed an exclusive contract with a couple of academics who wrote a paper about how to predict daily moves on the Dow Jones Industrial Average by tracking emotional words on Twitter.

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