Doing/Saying somehting in the manner pf a pacifist, when you however are not.
Carl- "Why bother fighting man"
dave- "Thats such a pasafistical thing of you to say you twat, you where fighting last night"
Carl- "You Wanna go man?"
A Description of something being terrible
mainly used to describe life in general, or other significant things becoming shit.
Comes from the disease "dysentry" which causes extreme diarrhea and cause you to shit everywhere
Carl -Dave my girlf jsut dumped me.
Dave - ah man you ok
carl - Nah man my lifes really dysentrious at the moment.