Willow was bored af, she had nothing to do but just wait for a mission, then, an idea popped up in her mind and decided to do something very VERY stupid

Willow: Grabs the megaphone outta nowhere and shouts I'M A FUCKING SMALL TOASTERRR!!!

Knockout called her that when she got caught by the Deceptions, she got comfortable with the name for her own reasons-

Bumblebee: Heard what Willow said 😨

All the Autobots heard what Willow said as well

Wheeljack: What did she do now-