the male anal g-spot
Craig likes it when Doug goes for the milk dud.
by babygreen August 07, 2008
Dumb dumb
Man, i had no business copying off that milk dud's scan tron he pulled in all F's last semester.
by gratiszulzul June 28, 2015
A cow that no longer gives milk.
Previously a top producer on the ranch, that Geraldine is now a certified milk dud.
by Prarie Sequin March 04, 2010
A nickname for a mentally-ill mexican, usually yelled in it's general direction
Mentally-ill Mexican: "MIILK DUUUD?"
Mentally-ill Mexican: MIIIILK DUUUUUUD!!!"
Person: "Milk Dud..."
Mentally-ill Mexican: MIIIILK DUUUUUUD!!!"
(The mentally-ill mexican now knows "Persons" face, and calls him "Milk Dud")
by uf4gt September 19, 2013
Non-Lactating Cows.
You better think twice about eating those Milk Duds
by Pseudoman(likesodomy) December 03, 2011
When a guy sucks the milk out of a pregnant womans tits.
That dirty bastard went home and sucked on his old lady's milk duds
by titf*uck March 12, 2009
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.
Ayo teach check these milk duds out, madem myself.
by lucasman1111 February 10, 2011

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