Resurrect your Muffit was the act of, as you guessed, resurrecting your Muffit. After a daggit had been destroyed by the Cylons, one would take said daggit, collect its memories, dispose of the body, breed an Ewok and a Teek with each other, collect the fetus, implant the memories of the daggit, and add robotic parts just for the hell of it. And while this may seem very involved, it isn... Well, I guess it is.