Hippopotami 

More than one Hippopotamus

The hippopotami at the zoo were fighting.

Hippopotami by Mary Sue Jackson June 27, 2003

hippopotamoose 

A huge fat ass bitch the size of a hippo with a huge mooseknuckle

That Nast bitch looks like a hippopotamoose

hippopotamoose by Suka may korncob June 3, 2018

hippopotamonstrosesquippedalian 

hippopotamonstrosesquippedalian refers to a long word, such as itself.

People who fear long words are said to have hippopotamonstrosesquippedaliaphobia

Man 1:Antidisestablishmentarianism is a hippopotamonstrosesquippedalian word.

Man 2: what in the blue hell does that mean?

hippopotamonstrosesquippedalian by kingpaladin August 5, 2005

hippopotamian 

someone or something that resembles a hipp or has hippo-like qualities.

Guy 1: "Look at that fat person."
Guy 2: "I know, they are really hippopotamian."

hippopotamian by EMP get dowwwwwnnnnnnnnn!!!!!! November 8, 2010

Hippopotamonstorosesquipadelaphobia 

Quite the annoying word. It means fear of long words.

#1: do you have hippopotamonstorosesquipadelaphobia.

#2: ahhhhhhhhhhhhhhhhhh

Hippopotamonstorosesquipadelaphobia by toubare December 3, 2019

hippopotamograph 

Part of the stoned ramblings of two friends during school time.

Holy shit man, what the hell was that? *bird noises* Shit, there it goes again. That's got to be one of those Hippopotamographs. Shit! *hides*

hippopotamograph by Sirthingo July 17, 2007

hippopotamonster 

a hippopotamus that looks terrible.

The hippo is terrible in the extreme. It is apt to call it a hippopotamonster.

hippopotamonster by uttam maharjan November 29, 2011