When a seemingly cute and sweet girl is actually heartless and possesses the ability to suck out one's soul. Much like a sour patch which is sour then sweet, except reverse. (a.k.a RSP)
Peter Allyson was walking down the street and gave dunch a hug, then she proceeded to suck out his soul. Peter pulled a Reverse Sour Patch
by victim of the sour patch November 23, 2010