Terriblini 

A little terrible, not great

That last slice of cake was terriblini.i wish I skipped it

Terriblini by DDT MTL October 20, 2020

Terriblism 

When an action, event, or sequence of events, is so bad the scale of it can not be easily explained.

You can’t imagine the terriblism of today.

Terriblism by Scfc1 July 28, 2020

terribleness

the state of being in a terrible situation; or loss of self control and mental stability.

When Annie and Corey are apart for too long, terribleness ensues.

terribleness by the dynamic December 17, 2015

terriblarious 

adj. a thing or idea which is both terrible and hilarious

1)Steve Irwin stingray humor
2)Dead baby jokes

"That joke was terrible! However, it was pretty hilarious. One might even say it's terriblarious."

terriblarious by ShinyBlackRoses September 21, 2006

terribleness

adjective, the state of something being very very bad

lol how could i not... i can see the terribleness in this

terribleness by Johnny applejack October 21, 2011

terriblerific

When something is terrible but terrific at the same time

Person 1: this food is good but bad at the same time
Person 2: its terriblerific

terriblerific by Jojo101021 October 14, 2021

Terriblism 

When your spouse cheats on you with one of another species

And thus marks the box of terriblism, where I keep her engagement earring

Terriblism by Mmaiself February 27, 2022