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A comment on Mammals can absorb oxygen through their intestines.

Re:Mammals can absorb oxygen through their intestines by jmagaro88 on Friday May 14, 2021 @01:31PM (#27157097)
I guess "blowing smoke up your ass" will no longer have a negative connotation
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Re:Mammals can absorb oxygen through their intestines by ectopod on Friday May 14, 2021 @02:43PM (#27158153)
It started off as an allegedly positive thing.

https://en.wikipedia.org/wiki/Tobacco_smoke_enema

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