Donkey Sitter 

Someone who takes a last minute, unwanted and dumb stand in an arguement, debate or row

Dude... She's being such a donkey sitter.

She's being the world's worst donkey sitter by being on Alyssa's side

Donkey Sitter by Danikinssss October 15, 2020

Donkey sitter 

Donkey sitter is actually a person who is a fence sitter but suddenly decides to take a stupid stand at the 11th hour unwittingly, which is uncalled for.

Vernon was a donkey sitter in the Micheal and Denzil controversy

Donkey sitter by Nixwin October 15, 2020

Reverse donkey shitter

The act of inserting a funnel into a female/males rectum and defecating through the funnel and the other person shits it out

Male #1: I met this girl at the truck stop and she gave me the best reverse donkey shitter I’ve ever had.
Male #1: Right on, yolo.

Reverse donkey shitter by Wubbalubadubdub1998 May 30, 2018