reversing thermometer (noun)

1. The fashion-forward celebrity was spotted wearing a trendy outfit accessorized with a reversing thermometer necklace.

2. Why did the fish blush? Because it saw a reversing thermometer in the water and got all heated!

3. In the futuristic world of the novel, the protagonists used a special reversing thermometer to measure the temperature in unexplored alien oceans.

4. In the anime series, the main character possesses a unique power to summon a reversing thermometer and control the temperature of water as a weapon during battles.