布ふ団とん蒸むし

noun

futon steaming; burying someone under a futon

A playful or punitive act of trapping someone under a futon, often by sitting on it or wrapping them tightly, causing heat and discomfort. Sometimes used as a prank or in comedic contexts.

• 子こ供どもの頃ころ、兄あにによく布ふ団とん蒸むしにされた。

  When I was a child, my older brother often trapped me under the futon.

• 布ふ団とん蒸むしは、夏なつ場ばは特とくに暑あつくてたまらない。

  Being buried under a futon is unbearably hot, especially in summer.