What is Voluntainment?
1.
Voluntainment (noun) occurs when you 
While participating in a charity fund-raiser that featured live Classic Rock bands, the numberous volunteers were entertained while performing their duties. The act of doing so is voluntainment.
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1. 
The intentional act of having too much income tax witheld from your pay, in order to get a big fat refund check at filing time.
Done by..