The act of one man or one woman pooping in a bowl and a man ejaculating on the shit, giving it the appearance of a reverse hot fudge sundae, to be eaten and enjoyed by 2 lovers.
After a romantic dinner and a night on the town with Ramone, Sandy decides she want something special for desert, a reverse hot fudge sundae. They kiss, remove their clothes, and both dump in a bowl. They kiss some more, while Ramone masturbates and cums all over the excrement. They laugh, they cry, they eat it all up. Then they kiss and make love. Reverse Hot Fudge Sundae, a night of lust and enchantment!