2.) Get money from your friend who wants you to bring something back.
3.) Use your friends money to buy yourself a delicious lunch.
4.) After you finish eating ask for a takeout box and take a huge dump in it.
5.) When you get back hand the box to your friend and when he/she is opening it and begins to ask what is going on have another friend punch him/her in the face.
"I think he ordered the Dewey Beach take out"