The act of taking a dump so long and solid, it hits the bottom of the bowl and when it breaks free from the anus if falls forward hitting your testicles like your butt just caber tossed a poo.
Hey, you know that shit I just took? Well, I just caber tossed myself.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi