What is a breast like not in a weird way but why is it just a lump of fat what does it even do

It produces milk for mothers to feed their babies.

It makes milk for babies. all female mammals produce milk to feed their young with

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.   

Idont understand what youre askimg