二に穴けつ同どう時じ挿そう入にゅうMeaningsNoun1. double penetration (Vulgar)Kanji used二two穴hole同same時time挿insert入enterComposed of二にtwo; 2Numeric穴けつacupuncture point; hole; notchNoun同どう時じsame time; simultaneous; concurrent; synchronousNoun挿そう入にゅうinsertion; interposition; interpolation; infixing; (sexual) penetration; infixNoun