The materials spewed out (at Light Speed) as a result of a vaginal fart. Although, never subject to a thorough analysis, this material could be quite unpleasant, possibly toxic and aesthetically repugnant (or not). It often renders the [spewee] confused, shocked, sexually ambivalent or somewhat entertained!
> I just couldn't believe it! She was relaxed, feet up to the ceiling when suddenly, she [queef greased] my pompadour! That's a shiny pompadour dude.