noun
large furoshiki; big wrapping cloth
Literally a large traditional wrapping cloth. The figurative sense (sense 2) derives from the image of spreading out a big cloth to wrap something grand.
See also: 風呂敷
引っ越しのとき、大風呂敷で布団を包んだ。
When moving, I wrapped the futon in a large furoshiki.
noun
Figurative use: exaggerated talk or grand promises, often with the implication that they are unrealistic. Common in phrases like 大風呂敷を広げる (to make grand plans or boast).
彼はいつも大風呂敷を広げるが、実行が伴わない。
He always talks big, but never follows through.
その計画は大風呂敷すぎて、誰も信じなかった。
The plan was such an exaggeration that nobody believed it.