A mixture of the word edumacation (a play on the word education) and the word fucked.
It means to get fucked by leaning something.
The learning of something that otherwise complicates or just screws up a situation or your day all around.
Joe: I'm so gonna pop Kim's cherry tonight.
Dave: Nah, to late. Jake already beat you to it.
Bob: Dude. You totally got edumafucked.