gunya-gunya
Describes something that bends and warps easily, lacking firmness. Used for soft materials, melted objects, or wobbly lines.
💡A child's drawing — 'The lines are all gunya-gunya wiggly!'
暑さでチョコがぐにゃぐにゃに溶けた。
The chocolate melted gunya-gunya in the heat.
The plastic ruler got ___ after being left in the sun.
プラスチックの定規が日なたに置いたら○○になった。