coitus reservatus
(organic chemistry, especially in combination) A protonated cation formed from isothiazolidine.
(military fiction) Initialism of lost-in-action.
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Sexual intercourse in which the penetrative partner does not attempt to ejaculate but rather remain at the plateau phase of intercourse for as long as possible.
彼らは、挿入する側が射精を控え、できるだけ長くプラトー期にとどまる性交を実践して、絶頂に達さずに親密さを深めようとした。
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DiQt
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