hot button noun
plural ∼ -tons [count] : an issue that causes people to feel strong emotions (such as anger) and to argue with each other
▪ The film is considered very controversial for all the hot buttons it pushes. ▪ a political hot button
▪ The film is considered very controversial for all the hot buttons it pushes. ▪ a political hot button
— hot–button adjective always used before a noun
▪ The budget is a real hot-button issue right now.
▪ The budget is a real hot-button issue right now.
