Horrendapoo 

noun. A form of excretion that leaves a large mess, and often a simultaneous disgusting smell. 'RingSting' or, in extreme cases blood loss is a common side-effect.

Mackin: "what's that you've left in my toilet"

Wiggles: "sorry, i just had an absolute horrendapoo"

(Mackin begins look of disgust)

Horrendapoo by Wigglypoo February 22, 2009

Horrendatory 

Extremely unpleasant, horrifying, or terrible.

That outfit is horrendatory!

Horrendatory by KingRhino December 16, 2022

Horrendapigs

Like 'horrendous', but so much worse.

Typical British Royal Marine slang. Any depreciating word with the last syllable replaced with 'pigs' multiplies the whack of the meaning 100x.

"Who's that tramp over there?"

"I dunno, but she's horrendapigs..."

Horrendapigs by GayMatelot September 28, 2009