beddy-bye [bed-ee-bahy] 1. The act of or time for going to bed or...November 2013 beddy-bye [bed-ee-bahy] 1. The act of or time for going to bed or sleeping: One more game and then it’s beddy-bye. Share on Facebook Opens in a new window. Tweet on Twitter Opens in a new window. Pin on Pinterest Opens in a new window. Back to blog