The act of accidentally smearing some feces on the cuff of your shirt whilst hastily wiping your anus after defecation.
Luke: What's that brown mark on your cuff?
Andrew: Oh yeah, I was poo cuffing last night.
Luke: Dirty fucker.
Andrew: Oh yeah, I was poo cuffing last night.
Luke: Dirty fucker.
by Largest of Ds February 27, 2013