Sex that is for planned.
"Oj Simpson wanna have sex?"
"Sure"
"So now it looks like I don't have to rape you!"
"So this is voluntary sex?"
It means that a person can ask a doctor to kill themselves. To do that they must be suffering an illness and have decision making capability. 99.9% of the people who are suffering an illness don't have decision making capability.
Voluntary assisted dying is the best way to kill yourself.
When you have to leave a shit (I know, it's supposed to be take a shit, but in the immortal words of the late great comedian George Carlin, you don't take a shit, you leave a shit!), you tell whomever is nearby that you need to go and experience voluntary loss of stool.
This is the most gentle, curse-free way to say that you need to go and pinch a loaf.
{Paul}: Hold on a few minutes there George, I need to run and have voluntary loss of stool!
{George}: Ok, whatever Paul. :-/
non voluntary abstinence = No pussy for too long.
It was a fucking recall! Nissan did it to fix something they fucked up on they early model 300zx fuel injection system. They didn't want to call it a recall because that would look bad so it was called a service campaign. And they didn't really want to spend the money to do it to all Z31's so they said it was voluntary. Non the less, it was a god damn recall.
"Did you have the voluntary service campaign preformed on your Z?"
Urban dictionary voluntary editors are a bunch of fuckheads that didn't accept my other definition.
A movement among a group in the porn scene community where they voluntary decide to have an amputation to be attractive to other people in the community who have a fetish for it, and not because there is anything wrong with that body part.
Most of the amputees are women.
Have you heard of the voluntary erotic amputee movement?