The name "Big Dick Rob" can be a title given to any human or animal with a naturally gargantuan dong. The origins come from a man named Rob that had a large penis, he was given the nickname "Big Dick Rob" and the rest is history.
"Holy shit have you seen his cock Martha?"
"Yeah! He really is a Big Dick Rob"
"Hey! There he is, it's Big Dick Rob!"
"Yeah! He really is a Big Dick Rob"
"Hey! There he is, it's Big Dick Rob!"
by FisherPrice1928 February 22, 2017
Get the Big Dick Robmug.