What is the meaning of the word "naked as a jaybird"?

Definitions:

  1. An informal and humorous idiom that means completely or totally naked, without any clothing at all, often used playfully, colloquially, or to emphasize someone's nudity in a lighthearted way. copy to clipboard ADJECTIVE
    • He forgot his towel and had to run to the locker naked as a jaybird. copy to clipboard

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