rectumus 

A roundabout way of referring to someone, or identifying them to others, as an asshole by utilizing a bogus taxonomic nomenclature. Most often used with a secondary similar fake noun or adjective.

i.e. He is a "rectumus pontificus" (He is a pontificating asshole)

rectumus by gcmgome April 8, 2014

Rectumsmell pimplesack

A dude who is gangley and hangs around big lakes under sewage pipes, he likes to hunt geese and ducks and collects their beaks and wears them as a necklace,

he also collects hubcaps from cars and plays music to attract mates. his mating call consists of a loud scream shouting "HELP ME"

walks like gollum from lord of the rings.

That dude we saw at the lake today totaly was a rectumsmell pimplesack

Rectumsmell pimplesack by Toxic-temptation November 19, 2012

Rectumsempra 

A spell that can accidentally be used when the spell-caster means to use "Rictusempra" (the tickling charm). This spell will cause the target to suffer from sudden, frequent, and uncontrollable bowel movements.

Kira pointed her want at Jake - with the intention of using the tickle charm on him. She mispronounced the incantation and said "RECTUMSEMPRA!!"

Jake quickly rushed to the washroom.

Rectumsempra by NevilleLongbottom12321 November 20, 2010

ex rectumis 

Pseudo-Latin phrase meaning "out of the ass". Used to describe anything pulled or otherwise ejected out of one's ass.

Chase: Can you believe Steve's report?
Carol: I saw it and I don't believe it. Where'd he get those numbers?
Ted: I'd wager a little ex rectumis research.

ex rectumis by mcfm October 15, 2010

rectumsauce 

Oily. juicy substance that oozes from the asshole. Mixture of shit and other materials (such as cum). Often has foul odor. Tastes like a copper penny.

She got some of her rectumsauce all over the bed sheets.

rectumsauce by likeme June 16, 2009

rectumsempra 

a magical spell when you tickle the asshole a little bit

I used the spell rectumsempra

rectumsempra by eugenesaunders December 10, 2020

rectumspect 

The thought of regret one has during the first bowel movement after eating an extremely spicy meal.

My asshole burned so much today when I took a shit, in rectumspect it probably wasn't the best idea to eat those spicy chicken wings last night

rectumspect by snoopdoggydex February 3, 2013