Romanization: wud6 seg1 wen6 dung6 Sinological IPA (key): /wuːt̚² sɐk̚⁵ wɐn²² tʊŋ²²/ <span class="searchmatch">活塞</span><span class="searchmatch">運動</span> (physics) piston motion (figurative, slang) sexual intercourse or (male)...
Sinological IPA (key): /wuːt̚² sɐk̚⁵/ <span class="searchmatch">活塞</span> (mechanics) piston <span class="searchmatch">活塞</span><span class="searchmatch">運動</span> / <span class="searchmatch">活塞</span>运动 (huósāi yùndòng) Japanese Wikipedia has an article on: <span class="searchmatch">活塞</span> Wikipedia ja (Tokyo) かっそく [kàssókú]...
and definitions of <span class="searchmatch">活塞</span>运动 – see <span class="searchmatch">活塞</span><span class="searchmatch">運動</span> (“piston motion; sexual intercourse or masturbation”). (This term is the simplified form of <span class="searchmatch">活塞</span><span class="searchmatch">運動</span>). Notes: Simplified...