Debbie Downer is a name of a fictional Saturday Night Live character who debuted in 2004, and who was portrayed by Rachel Dratch.The character's name, Debbie Downer, is a slang phrase which refers to someone who frequently adds bad news and negative feelings to a gathering, thus bringing down the mood of everyone around them. Dratch's character would usually appear at social gatherings and interrupt the conversation to voice negative opinions and pronouncements.