When sitting on the toilet, you reach over to tear off some toilet paper only to find that there's nothing but the cardboard tube, or cob, left on the roll.
Wow, my team just walked six straight batters then threw a wild pitch to blow a three run lead, then gave up a grand slam to lose. That is some real Cubbery!
or
That team's Cubbery caused them to not score even though they had the bases loaded an no outs.