To be volunteered or pressured into doing something without being able to reject the request. Often occurs in situations where an employee or a military personnel is uncomfortable to reject a request from someone in a higher position--because of the implications.
A portmanteau of volunteer and told.
VP: Our break room has gotten really messy lately. I need a volunteer to help make sure it's clean. Billy, your desk is always very organized. You would make the perfect break room manager.
When a person volunteers the help of another person without that person actually being aware that they are even going to be helping or that the situation as a whole even exists. Usually this act of voluntolding someone is done by a parent or a spouse, but is occasionally done by best friends and siblings.
You can consider yourself to be voluntold when you find out after an arrangement is made that you are expected and will be assisting with... (insert undesirable happening here).
Voluntold
Husband ... "Sweetheart, why has Nikola sent me a message that says thanks and see you Saturday."?
Wife ... "Honey, I told Elizabeth that you would be by this weekend to help Nikola with his weedeater".
Husband ... "I didn't agree to that, sweetheart. I was going to play poker at my uncles place".
Wife ... "Well, it looks like you are going to be late to your uncle's house. Consider yourself voluntold".