A person who's not very smart; definitively, one who is overweight, slow-moving and slow-witted. Referencing a Jurassic-period dinosaur with an enormous body, exceptionally long neck, and tiny head.
Frank: My boss is such a diplodocus! His pea brain can't comprehend this project I initiated!
Joe: Better hold it down ~ I think I hear him lumbering down the hall.
Joe: Better hold it down ~ I think I hear him lumbering down the hall.
by Vagabond King February 25, 2010
He is a huge diplodocus.
by Cody Bishop January 23, 2006
An extension of the term 'to dip' as in 'to leave', named for the sauropods of the genus Diplodoci of the Late Jurassic Period. Colloquially, diplodocus refers to a situation where the term 'dip' doesn't fully represent the necessary dipping required to bounce properly.
by thetrevs July 30, 2009
by Biscuit Boi July 26, 2021
by Some RDR2 fan May 16, 2023