frumpapotamus 

a person that is extremely frumpy; that makes no attempt to dress nice or have a pleasant appearance.

Tim's wife is definitely a frumpapotamus, she looks like she has been hit by a pillow case full of bars of soap.

frumpapotamus by nickytheninja September 30, 2011

grumpapotamus 

A very grumpy person. Usually signifies chronic grumpiness.

Stop being such a grumpapotamus.

grumpapotamus by Me January 2, 2005

frumpopotamus 

a dowdy unattractive girl or woman with an extremely large head and mouth

At the restaurant the other day a frumpopotamus was spotted devouring a large salad, while talking through the entire meal.

frumpopotamus by Mr Uggface April 8, 2010

fupapotamus 

a person that has a FUPA is a fupapotamus

damn that girl is the ugliest fupapotamus i have ever seen!

fupapotamus by Joe Morgan May 3, 2005