Diploducus 

A seemingly clever male or female who also look and acts a bit like a mongoloid. Long neck is not a necessity but is a common feature of the Diploducus people.

Example:

That Michael is such a diploducus

Diploducus by sdavis911 December 18, 2008

Diplodoculus 

Ali-a is stupid.

Its a Diplodoculus!

Diplodoculus by Wow that was really cool! October 30, 2020

diplodocus

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"

diplodocus by thetrevs July 29, 2009

Diplodocus

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.

Diplodocus by Vagabond King March 1, 2010

diplodocus

purple dinosaur

When Ali-a saw the purple dinosaur he said it's a ''diplodocus''

diplodocus by Biscuit Boi July 25, 2021

Diplodocus

A dumb person, animal, or inanimate object.

He is a huge diplodocus.

Diplodocus by Cody Bishop January 23, 2006

Diplodocus

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"

Diplodocus by Some RDR2 fan May 16, 2023