Gregor's eyes track slowly to the disgusting sludge dripping off Megatron's plating, down to his own crisp, clean uniform, then back over to Megatron, his expression mild before something flares in his eyes and he tilts his head gamely.

"All right," he says, taking up the hose and fiddling with the settings to set the spray wide and high, watching Megatron reload the cleanser. "On your word."