whoopee cushion

短语

放屁坐垫（人坐上去时会发出类似放屁的声音）

词形变化

whoopee cushions 复数 whoopee cushions

释义与例句

n.
  1. 1.

    An inflatable bag containing a valve at its neck that retains the air in the bag until pressure is put on it (usually by someone unintentionally sitting on it after it has been placed on a chair by someone else as a practical joke), when the air is expelled with a sound similar to that of someone farting (breaking wind).

    放屁坐垫

    放屁垫