hot-button

[ hot-buht-n ]
/ ˈhɒtˈbʌt n /

adjective

exciting strong feelings; highly charged; emotional: hot-button issues.

Origin of hot-button

First recorded in 1985–90

British Dictionary definitions for hot button

hot button

noun

informal
  1. a controversial subject or issue that is likely to arouse strong emotions
  2. (as modifier)the hot-button issue of abortion