The act of engaging with vomit for enjoyment or sex.
Has also been refered to as Rainbow showers, which was created from the term Golden Shower
Can be combined with Scat
to form Scurg which is a combination of both, for those really special people.
-As little johnny was looking at website where two girls were rubbing their own vomit on themselves, his father came in and said "Johnny, stop looking at gurg porn again!"-