Skip to main content
Urban Dictionary Merch
Your favorite words on things you can wear, drink from, read, or give to a friend.
The Urban Dictionary Store sells gifts you’ll have to explain.

african trash compactor 

A joking way of referring to a hippopotamus.
Bro, those fat ass african trash compactors just flipped my fucking car!

african trash compactor 

Also known as a hippopotamus because of their huge mouths and impressive jaw strength
I was minding my own business taking a dip in the pond and a fucking African trash compactor came charging towards me!

african trash compactor 

A new name for a rhino made popular by reddit user u/SVahnen02
Dude 1: dude I was in Africa and i saw the biggest African trash compactor I've seen in my life

Dude 2: wtf is an African trash compactor?

Dude1: it's a new name for rhinos you big dum dum

African trash compactor 

A hippopotamus.
The face of a hippo is similar to a trash compactor.
Is that a rhinoceros? No, that's an African trash compactor!
More from Urban Dictionary
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Load more