Life On White/Photodisc/Getty Images (chameleon); ross1248/E+/Getty Images (kangaroo); Burazin/The Image Bank/Getty Images (elephant) Every time you open up a Google Doc with the setting “anyone ...

The act of placing a rubber duck on someone’s Jeep—called Jeep “ducking” or “Duck Duck Jeep”—began with one person who unknowingly started a movement.