rokurokubi, an imaginary creature with a long neck that can stretch or shrink at will

anniversary (day an exact number of years since an event)

beheading (an instance of beheading, as punishment)

砂糖黍: sugar cane (species of grass (Saccharum officinarum) whose sap is a source of sugar)

sugar cane, Saccharum officinarum (species of grass whose sap is a source of sugar)

Same as みぞおち (mizoochi) above. / Abbreviation of 鳩尾の板 (kyūbi no ita).

automotive navigation system, satnav system, short for カーナビゲーション (kānabigēshon)

to be fully equipped

being fully equipped / (mathematics) being complete

Short for エロビデオ.