Multitaskurbating
This is when you are masturbating while doing something else (watching porn does not count as a separate task)...
"Yeah, the other day I was Multitaskurbating while watching The Daily Show..."
Multitaskurbation
Doing multiple other things while masturbating.
It's multitaskurbation - eating beef jerky, talking on the phone and masturbating. Damn productive.
Multitaskurbating
The act of doing any task while simultaneously masturbating.
I woke up late for work this morning, so I was multitaskurbating to the morning news