noun
piledriver (sexual position)
Vulgar slang for a sexual position where one partner is held upside down. Used in explicit contexts.
彼は彼女にまんぐり返しを試してみたいと言った。
He said he wanted to try the piledriver position with her.
Common kana spelling for this slang term.
Katakana-kanji mixed spelling, sometimes used for emphasis or in informal writing.
The origin is uncertain. Possibly from まんぐり (manguri, an onomatopoeic or mimetic element) and 返し (gaeshi, 'turning over'), but the exact derivation is unclear.