buttbortion 

The act of digging the poo out of your butthole with fingers or other objects

Duuuuude I was so backed up I had to give myself a buttbortion

buttbortion by Pixiepoop October 25, 2017

Bumbortion 

To penetrate another mans anus to help dislodge a turd.

Man: Dude, I really have to take a shit but it won't come out.

Friend: That's okay, I can assist you with a bumbortion.

Bumbortion by Good through 2012 November 3, 2011

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