More endearing than most derogative terms for skanks. Used when you want to piss someone off and call them a name but you still love them. If they are a skank and need to be reminded sluffin probably wouldn't offend.
Friend 1: "OMG! I love you girl!"
Friend 2: "AH, I LOVE YOU, TOO! But sometimes you can be a real sluffin!"
Friend 1: "Yeah, I totally know. I shouldn't have hooked up with those 4 guys last night!"
The act of inserting a fluffy sticky soft candy into the anus in any amount to be dissolved in the colon before anal sex/masturbation to purge the lower bowels of all fecal matter. After purged, it can be done again to fill the colon with a clear sticky fluid for the enjoyment of others. Marshmallows are a powerful laxative. Marshmallow stuffing should not be done by diabetics or anyone else concerned with blood sugar. Should be done in moderation to avoid pooping yourself at work.