Yup, those are the super scientific names McDonald’s insiders use to describe your McNuggets. According to Business Insider, every piece of McDonald’s chicken has to look as perfectly uniform as possible, all the way down to how it’s shaped. Hence the names given to describe them: ball, boot, bell and bone.
Here’s a fun game to play the next time you order that 20 pack: Count out how many boots, bells, bones, and balls you get.
Also, bonus points if you can get through the game without giggling.