present participle. Some reverse yoinkage; a gift.
Related terms: unyoink, unyoinked, beyoinked.
Real citation: "this unyoinking brought to you by Dath Max,everybody loves a Dath Max, so why not get one today!"
(Hermie, Sept. 7, 2005, Echobase, http://www.echonetwork.net/vb/showthread.php?t=3525)
Made-up citation: "As an independent contractor, I am on the bad end of some unyoinking come tax time."