Belvedere Sampsonite discovered he ninjapoo in 1708 after refusing to believe that all his pushing and groaning had been for nothing.
Noun 2. Taking a shit on the phone without their knowledge by masking unpleasant sounds with casual conversation.
2. Chris and Shelly chat on the phone when the urge to shit comes upon Chris. Shelly does not give the opportunity for a break rather than shit his pants Chris masks his sounds with a strategically placed loud "I AGREE or YES PERFECT" thus committing a ninja poo.
3. A ninja poo begins with the pants doping as the cheeks touch the seat and ends when the shit covered toilet paper hits the water or when the toilet flushes if there is no paper. All actions must be preformed on the phone.