1 definition by Noah Spliff

Top Definition
An involutary reflex during breast feeding which causes the milk to flow freely at any given time. Can be triggered by any number of situations, two examples are, thoughts about a child or hearing a child cry.
After birth, while pouding a Big-Mac and fry, Gina experienced let down (this woman eats copious amounts of fast-food). she then proceeded to tell all of Utah about the experienced let-down.
by Noah Spliff February 11, 2006

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