Bad Example is an achievement related to the seasonal world event Children's Week. Completing this achievement is part of the meta achievement . It cannot be completed by characters under level 75.
This achievement is simple: Eat each of the foods listed while you have an orphan (any of the orphans) following you.
The , , and can be purchased from in Dalaran. The comes from a also sold by Aimee. These all require level 75 to eat, except the Dalaran Doughnut, which requires level 70.
The is made by cooks who have acquired the recipe as a random reward from the daily cooking quests given by , , or .
Anyone in a group with the person who uses a Lovely Cake can take one or more slices. Lovely Cake Slices are not soulbound. As Lovely Cakes have more than a trivial cost, collecting all the slices then trading them (AH, mail, trade, etc) can save friends and alts some money.