Diddly Bupkiss
Nada. Zilch. Zero. Aka you came up with nothing at all. Also see "Jack squat" or "diddly squat".
Phylby: "Did you guys get an email on this?"
Beemer: "Nope. We haven't heard diddly bupkiss."
Beemer: "Nope. We haven't heard diddly bupkiss."