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go down on

phrase

informal + impolite : to perform fellatio or cunnilingus on

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go down/like a bomb
go down on
go down the tubes
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“Go down on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20down%20on. Accessed 17 Dec. 2025.

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Last Updated: - Definition revised
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