Shiturbating
When masturbating while taking a dump.
Sorry for the mess in the bathroom, I was shiturbating.
shiturbate
The act of masturbating while taking a shit.
Thomas missed the meeting because he decided to shiturbate.
Shiturbation
The act of masturbation while taking a shit.
Taking shits are boring, so I decided try my hand shiturbation to make it more fun.
Shiturbate
Beating your meat and taking a crap at the same time. The most efficient thing to do after a long day.
Bro I was so tired after practice, I Shiturbated before I took a nap.