(noun) A term for an employee, servant, or slave whose primary responsibility is to fetch items and bring them back to his or her boss, master, or owner. Formed by contraction of the words "go for". As in: "Go for coffee, go for doughnuts, go for whatever we need you damn 'gofer'."
"I sent my gofer for coffee over twenty minutes ago. If he doesn't get back soon, I'm dropping his health care benefits!"