In 1763, the first dinosaur bone discovered was given the very descriptive and scientific name of Scrotum humanum by Richard Brookes. It later was identified as part of the femur of a Megalosaurus. – WTF Fun Facts
Source: https://io9.gizmodo.com/the-first-scientific-name-ever-given-to-a-dinosaur-foss-5955550
The guy was a real ath hole