Suggestive of a zealous, almost unhealthy state of obsession with Barack Obama's presidential campaign; often fueled by the politics of hope.
"I'm fired up and ready to vote for Obama," he shouted with an Obamaniacal grin."
Refers to the effect a Digg article has on the computer hardware of casual techies.
Casual techie: I just read on Digg how to run Linux from my computer's BIOS and am about to run it for the first time.
Techie: You fool. You have fallen victim to the Digg effect. I'll let Dell know your computer is on its way.