The left over debris on your shirt or jacket after making or working with boxes, usually at work. They tend to be quite difficult to get off.
Person A: "Hey man, do you like my new shirt??"
Person B: Yeah, it's sweet... mine just has box crums on it..."
Person B: Yeah, it's sweet... mine just has box crums on it..."
by Americanhockey1 January 26, 2010
Get the Box crumsmug.