Found it, in the Urban Dictionary.
http://www.urbandictionary.com/define.php?term=windmillerwindmiller
to put a walking cane or broom stick in ones anus. As in.....
Friend 1: "Dude, joe stuck his grandmas walker in his cinnamon ring last night, tennis ball and all."
Friend 2: "Oh Man!! I bet he windmillered that shit hard core!!!!"Umm, quite so. Well worth 1.32, just for that.