rankosauruses

The plural of rankosaurus (could also be "rankosaur-i")
The singular can also be "rankosaurus rex"

Timsy: Fark you wouldn't have believed the smell, it was revolting. How long had you left those burgers rotting in that bag for?
Jinji: It'd only been like one month?
Timsy: You are the king of the rankosauruses - you truly are rankosaurus rex