A fork of Rural Dictionary
Whilst one man is having a standard shit wank, a second man sits on his lap cowboy style and shits between his legs, whilst simultaneously jerking them both off with theirs cocks pressed up against each others
I was having a sneaky shitwank when my man lover Plunky sat down on my lap and joined me for a good ol nullagine tandem cowboy shitwank of monstrous proportions. We simultaneously owned the toilet whilst setting off jizz fireworks all of the bathroom ceiling