sludd 

Somebody regarded by peers as a person of unimaginable brilliance

Gerard is a sludd on god

sludd by polycrab June 29, 2022

brain sludge 

Brain sludge is where you have so many intrusive thoughts that it completely derails your ability to think or focus.

I took a test today at school and I had a really bad case of brain sludge.

brain sludge by PWS27 May 3, 2017

scudderly 

the act of being scholarly

Elijah you are so scudderly!

scudderly by 181 shotwell October 17, 2022

Sludge Cannon 

A human being who, often due to an excessively chilli-heavy diet, has not produced a solid stool in years.

Simon, a notable Sludge Cannon, is barred from every public lavatory in the north of England.

"Mummy, does Uncle Simon wear plastic underwear because he's a sludge cannon?"
"No, dear, it's because he's a massive pervert."

Sludge Cannon by Lancaster's Second Finest June 12, 2016

Sludge monster 

A self-descriptive term for a perception of self while in the middle of a depressive episode or burnout, meaning to be highly inactive and allow one’s self/surroundings fall apart. Particularly associated with neglecting grooming habits like showering, shaving, and cutting nails.

“I’ve been so burnt out this week I haven’t even had the energy to shower in three days; I feel like such a sludge monster.”

Sludge monster by ragonkmasterp1 April 27, 2023

Above The Sludge 

Someone who is 'Scum'. A horrible person. They are literally, scum (scum being the layer that exists 'above the sludge', contained inside a cesspit).

"You are disgusting. Horrible. In fact, I'd say that you're just above the sludge"

Above The Sludge by theslaughterhouseblog June 2, 2017

scuddlehead 

what taxi drivers think the problem is in this country

You know what the problem is with this country? …. There’s too many damn scuddleheads.

scuddlehead by supaduparealezt May 31, 2022