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.
"This party is totally lame. Let's diplodocus"
by thetrevs July 30, 2009
Get the diplodocus mug.
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.
by Vagabond King February 25, 2010
Get the Diplodocus mug.
To tell someone that they're too FUCKING tall and has a neck longer than a giraffe's
"That guy is such a diplodocus"
'Right? You are so true"
by Some RDR2 fan May 16, 2023
Get the Diplodocus mug.