1bal·loon 
/bəˈlu:n/ noun
plural bal·loons /bəˈlu:n/ noun [count] 1 : a thin usually rubber bag that becomes larger when it is filled with air or gas
▪ I blew up a balloon but then it burst. ▪ brightly colored balloons and other party decorations — see also hot-air balloon, trial balloon 2 : a picture or space in a cartoon that contains words that are spoken or thought by a character
▪ I blew up a balloon but then it burst. ▪ brightly colored balloons and other party decorations — see also hot-air balloon, trial balloon
go over like a lead balloon (US) or Brit go down like a lead balloon
informal, of a joke, suggestion, etc. : to fail completely
▪ He told a joke about his mother-in-law and it went over like a lead balloon. [=no one laughed at the joke] ▪ My suggestion went over like a lead balloon. [=no one liked my suggestion]
▪ He told a joke about his mother-in-law and it went over like a lead balloon. [=no one laughed at the joke] ▪ My suggestion went over like a lead balloon. [=no one liked my suggestion]
