A euphemism for "penis" popularized by hiroyuki's Fate/Stay Night doujin Platonic Magician H (γγ©γγγγ―γγΈγ·γ£γ³H).
For the original scene in the doujin, see post #27032. Saber says "pγnγs" (γͺγγ³γγ³, ochinchin) while talking to Shirou. Shortly after, she also says "vagγγγ" (γͺγγγ, omanko) and "JAM IT IN".
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