Butt Docking 

When two gay or bisexual guys or girls, but usually guys,shit into the others asshole while masterbating...this will not work for diahrea.

i walked in on my dad butt docking.......i was odly aroused. =]

Butt Docking by mel the butt docking pirate March 13, 2009

Butt Dicking

When the river runs red butt dick it instead!

I would love to be butt dicking her!

Butt Dicking by CwGilly October 6, 2020

buttdicking 

Verb; the act of placing the male genetalia upon the anal rim of another individual ; male OR female and proceeding to penetrate and/ or stimulate the asshole for any given duration of time deemed appropriate for the agitator.

“Tanya always comes home with a bucket of chicken after her shift ends at KFC. Probably because of the buttdicking she endured prior to her closing the restaurant with her manager, Phil.”

“Nobody is buttdicking like today’s KFC.”

buttdicking by C. MURDER March 31, 2021

free buttocking 

Exposing the buttocks but not the genitalia and anus by, for example, wearing a G-string instead of underwear.

Stripteasers indulge in free buttocking.

free buttocking by uttam maharjan January 10, 2012

Flump Buttocking 

inserting a flump between two buttocks of a female during sex and the male eats it

"Mann last nightt after we got the treats from Tesco's we were totaallyy flump buttocking each other"

Flump Buttocking by Lily_kicks_ass_ October 23, 2007