by gratiszulzul June 20, 2015
by Nowon July 30, 2011
by horsehung49 August 04, 2009
by Slappy Ray February 25, 2016
by 20-20 July 19, 2004
Half circle pencil markings in the writing utensil slot on a desk. Students fill in the sides of utensil slots on desks throughout schools with their pencil, creating what is known as a milk dud. After finishing a milk dud, students will typically erase them, but in many cases they're left behind for other students to continue the milk duds, shading in the entire pencil slot.
by lucasman1111 February 10, 2011
by ryan perry October 04, 2007