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.
When I was a child, my older brother often trapped me under the futon.
Being buried under a futon is unbearably hot, especially in summer.
布団 is the futon itself; 布団蒸し is the act of trapping someone under it.
蒸し暑い means 'hot and humid', sharing the 蒸し (steaming) element, but refers to weather, not a prank.
Standard kanji spelling using 布団 (futon) and 蒸し (steaming).
Uses the older kanji 蒲団 for futon; less common today.
Abbreviated spelling omitting し; may be seen in informal contexts.
Compound of 布団 (futon) and 蒸し (steaming), from the verb 蒸す (to steam). The word evokes the sensation of being steamed inside a futon.