danger zone

noun3

1. •
   A specifically hazardous place to be avoided, usually demarcated, such as an area with anti-personnel mines.

   • She has danced into the danger zone / When the dancer becomes the dance — 1983
2. •
   The range of temperatures within which bacteria are likely to grow in food.
3. •
   (figurative) The genitals.

   • They say I better get a chaperone / Because I can't stop messing with the danger zone — 1984