Buttrection 

When your butthole starts pulsating with arousal or excitement to see another butthole or Penis in the vicinity

"Hey whys his ass vibrating, Must have a buttrection coming on."

Buttrection by ThirstyBear May 14, 2021

Buttruption 

The spewing of fecal matter from your anus.

Uhhh, I just had a buttruption after eating that Taco Bell

Buttruption by Jojo101 May 10, 2009

bumrection 

The act of obtaining an erection with your anus, or "bum". This exhilerating phenomenom can be experienced by both female and male anus, however most common in homosexual males. A bumrection usually lasts somewhere in the vacinity of 5 minutes and 29 hours). Commonly experienced when watching Ben Hur...of which no people are bigger than.

-Why, your bumrection is rather large today...may i penetrate you?
-Heidi:"Wow...what is that odd yet arousing sensation in my rectum...could it be a bumrection?"
Charles:"I'm not entirely sure... but may i poke/prod around and have a look/feel?"
Heidi:"Sure, just dont touch the bumrection....its my first and i shall frame it :D "

bumrection by Whilma Zan Zeyk nstein January 19, 2006

Buttflection 

The mirror image of your butt created by the still water in the toilet. Aids in assuring you do not have any cliff hangers before you go to wipe.

I looked down at the buttflection and did not like what i saw. A massive pile o crap had yet to fall into the toilet.

Buttflection by goony44 November 4, 2011

buttduction 

The warmth felt by a second occupant of a chair or other seat left by its former occupant. Heat conducted from one butt to another by a seat.

This seat is all warm from that last guy's buttduction.

buttduction by drclark January 1, 2016

buttfection

The most incredibly perfect butt that has or will ever excist.. its sheer sight brings tears to the eyes...

Sandy's butt is the epitome of buttfection

buttfection by Luis January 22, 2005

buttsertion 

The insertion of something into the butthole. Predominantly in a curious and playful way.

She wanted playful anal so I gave her a lego rocket buttsertion.

buttsertion by Paul Perreault December 29, 2017