Someone who throws in a negative comment or brings down the mood when something positive happens or is said.
"I got front seat tickets to Tool in Arizona!"
"It sucks you didn't get tickets to the show at the Palms"
"Whatever, Debbie Downer"
"It sucks you didn't get tickets to the show at the Palms"
"Whatever, Debbie Downer"
by hello2212 January 14, 2009