Named after the sandwich made from peanut butter and marshmallow "fluff", a fluffer-nutt-er is it poo on a girl's chest and then ejaculate onto said poo. Proceed to lay down on top of the girl and make out and one has made a fluffer-nutt-er.
That chick I left with was into some kinky ass shit. she wanted to make a fluffer-nutt-er.
Are you really asking? Of COURSE I poo'd and skee skee'd on that slut.