Find the word definition

Wiktionary
dysphoric milk ejection reflex

n. (context clinical psychology English) A brief dysphoria just prior to the milk ejection reflex.

Wikipedia
Dysphoric milk ejection reflex

Dysphoric Milk Ejection Reflex (D-MER) is an anomaly of the milk release mechanism in lactating women. A lactating woman who has D-MER experiences a brief dysphoria just prior to the milk ejection reflex.