A hormone released by the anterior pituitary gland, it is responsible for the creation of milk during nursery of a child.
After having this baby, my body released prolactin.
by PersianLord786 October 17, 2013
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An insult you call a calm person because prolactin is the chemical in the brain that is released after comedown which makes you calm for a while.
Daniel: Just chill dog.

Cody: Prolactin Brain!
by TheUltimateRide May 15, 2011
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