When a monkey ejaculates on himself and then forgets to clean it up and the semen dries all over his body.
by eeeeeaaaauuuuu April 22, 2011
Get the Crusty Monkey mug.Someone who is incredibly crusty and gross. They need to take a shower ASAP and wash their clothes. Someone whose pubic hair and facial hair looks the same.
"Bro, he is such a crust monkey he has cum stains on his pants and the skin on his right hand is peeling off!"
by Giggggiiiggg March 16, 2017
Get the Crust Monkey mug.Related Words